Texas Instruments TI-84 User's Manual
Contents
1. Cube root Y value xth root V value n2 1 4 16 25 36 49 64 vn n n2 vn 1 0 9 81 3 0 1 414 10 100 3 162 1 732 15 225 3 873 2 0 20 400 4 472 2 236 25 625 5 0 2 449 100 10 000 10 0 2 646 Y Ya 0 707 2 828 Ya 1 16 Y Press MATH 3 3 Returns the cube of a real or complex number expression list or square matrix Press MATH 4 3V Returns the cube root of a real or complex number expression or list Press MATH 5 V Returns xth root of a value Power value power Power of 10 10 value The key returns a value raised to a power Value can be a real or complex number or expression Press 2nd 10 Returns 10 raised to the value power Value can be a real or complex number or expression Fractions Decimals and Percents 1 1 We Va Vp Ue Wp Y 10 42 2 2 3 4 value Dec 1 0 100 0 5 50 0 333 33 3 0 25 25 0 2 20 0 166 16 7 0 125 12 5 0 111 11 1 0 1 10 0 083 8 3 0 666 66 7 0 75 75 Press MATH 2 bDec Displays a real or complex number expression list or matrix in decimal format value bFrac Press MATH 1 bFrac Displays a real or complex number expression list or matrix as a fraction simplified to its simplest terms education ti com Law of Exponents amp Radicals Formulas a xas aqrts Examples where a 3 b 2 P 5 Q 6 r 4 s 2 a ey Keystrokes ENTER 729 w FIOtL Flote2. 1 0 1 0 0 SE 31 Ze 22 a al 330 Zi 1 43 i 225 y 2 72 315 7 0 1 240 300 270 education ti com ath References Mietric Prefixes Greek Alphabet Prefix Symbol Magnitude Prefix Symbol Magnitude Upper Lower Name Upper Lower Name Upper Lower Name Exa E 1018 deci d 10 1 A a alpha I l iota P p rho Peta P 1015 centi c 10 2 B B beta K K kappa 2 O sigma Tera T 1012 milli m 10 3 T y gamma A A lambda T T tau Giga G 109 micro oC 10 6 a delta M x mu Y U upsilon Mega M 106 nano n 10 9 E epsilon N v nu p 0 phi kilo k 103 pico p 10 12 Z G zeta eo xi X X chi hecto h 102 femto f 10 15 H n eta O O omicron Y wi psi deka da 101 atto a 10 18 O O theta II a pi Q W omega Weights and Measures Annular and Circular Measure Cubic Measure Liquid Measure 4 gills 1 pint Square Measure 60 seconds 1 minute 1728 cubic inches 1 cubic foot 144 square inches 1 square foot 90 minutes 1 degree 90 degrees 1 right angle 180 degrees 1 straight angle 360 degrees complete angle Apothecaries Fluid Measure 60 minims 1 fluid dram 8 fluid drams 1 fluid ounce 16 fluid ounces 1 pint 2 pints 1 quart 4 quarts 1 gallon Apothecaries Weight 20 grains 1 scruple 3 scruples 1 dram 8 drams 1 ounce 12 ounces 1 pound Avoirdupois Weight 27 1 3 grains 1 dram 16 drams 1 ounce 16 ounces 1 pound 100 pounds 1 short cwt 1 short ton 2 000 pounds L
3. Turning Your TI 84 Plus Silver Edition On and Off To turn on your TI 84 Plus Silver Edition press ON If you had previously turned off your Tl 84 Plus Silver Edition by pressing 2nd OFF it will display the home screen as it was when you last used it To turn off your Tl 84 Plus Silver Edition manually press 2nd OFF All settings and memory contents are retained by Constant Memory To prolong the life of the batteries Automatic Power Down APD turns off your Tl 84 Plus Silver Edition automatically after about five minutes without any activity Using the and Keys The secondary function of each key is printed in blue above the key When you press the blue key the character abbreviation or word printed in blue above the other keys becomes active for the next keystroke For example when you press and then MATH the TEST menu is displayed The alpha function of each key is printed in green above the key When you press the green key the alpha character printed in green above the other keys becomes active for the next keystroke For example when you press and then MATH the letter A is entered Adjusting the Display Contrast To adjust the contrast follow these steps 1 Press and release the key 2 Press and hold 4 or which are above and below the contrast symbol Darkens the screen Lightens the screen Q Home Screen The home screen is the primary screen of the TI 84 Plus Silv
4. 3 iPart Calculates integer part 4 fPart Calculates fractional part 5 int Finds greatest integer less than or equal to number 6 min Finds minimum value 7 max Finds maximum value 8 Icm Calculates least common multiple 9 gcd Calculates greatest common divisor To display the MATH PRB menu press LJ MATH NUM CPX PRB 1 rand Generates random number between 0 and 1 2 nPr Computes number of permutations 3 ner Computes number of combinations 4 Calculates factorial 5 randint Generates random integer in specified range 6 randNorm Generates random from Normal distribution 7 randBin Generates random from Binomial distribution Texas Instruments 2007 Defining or Editing a Function for Graphing To Define or Edit a Function 1 Press Y to display the Y editor Floti FleEz Flats 1180 1060 x2 72 Boy 2 Press to move the cursor to the function you want to define or edit To erase a function press CLEAR 3 Enter or edit an expression to define the function Displaying a New Graph To display a graph of the selected function press GRAPH TRACE ZOOM and CALC operations display the graph automatically As the graph is plotted the busy indicator is on and the X and Y values are updated Free Moving Cursor When you first display the graph no cursor is visible You must press 4 gt 4 or 5 for the cursor to move from the center of the viewing window Continue pressing
5. like to solve 4 Enter a guess for the value 5 Press SOLVE to see a solution education ti com lore Algebra with the TI 84 Plus Silver Definition of Slope This section uses the Topics in Algebra 1 App for the Tl 84 Plus Silver Edition to help define slope vertical change rise Y2 Yy horizontal change run X2 X1 SLOPE PM E SLOPE SLOPE IS MUHEER THAT ME USE m TO STAND FOR rs ERTICAL CHANGE DESCRIEES THE TEEFMESS SLOFE HORIZONTAL CHANGE OF A LIME SLOFE 15 A RATIO HORIZONTAL VERTICAL OF E _ RISE i RUN 3 INCREASING _ RISE i RUN 3 HORIZONTAL DECREASING Equations of Lines This section features the Topics in Algebra 1 App for the TI 84 Plus Silver Edition Ax By C y mx b y Y1 m x X1 Standard form graph using intercepts Slope intercept form graph using m and 0 b Point slope form graph using m and x4 Y1 THERE ARE WAYS TO VIEW THE FROELER 2 1 GRAFH SLOPE m FAH x EZ HEM mx b y yx h SLOFE Y INTERCEPT gt Standard form example Given 3x 2y 6 find intercepts 3 0 2y 6 3x 2 0 6 x y 2y 6 3x 0 0 3 Point slope form example Given m 3 and 2 3 Equation y 3 3 x 2 y 3 3x 6 y 3x 9 Keystrokes 2 0 O Texas Instruments 2007 Edition The Distance Formula The Distance Formula is used to calculate the distance between two points Py P3 Vlx2 x1 y2
6. sin u cos v COS u sin v cos u v cos u cos v sin u sin v tan u vy t20 Y tan v 1 tan u tan v sin u v sin u cos v cos u sin v cos u v cos u cos v sin u sin v tan u tan v tan U v ne 1 tan u tan v sin 2u 2 sin u cos u cos 2u cos u sin u 1 2 sin u 2 cos2 u 1 1 tan u S E y1 eos u cos Y y 14008 u on eae i SA e T o 2 sin u 1 cos u 1 cos 2u sin u 1 cos 2u cos u as 2 sin u cos v 1 3 sin u v sin u v cos u sin v 1 5 sin u v sin u v cos u cos v 1 3 cos u v cos u v sin u sinv 1 3 cos u v cos u v Texas Instruments 2007 hyp Special Values of Trigonometric Functions 0 0 degrees radians sin 0 cos 0 tan 0 cot 0 sec 0 csc 0 0 0 0 1 0 1 45 2 2 1 1 v2 v2 90 5 1 0 0 1 Inverse Trigonometric Functions Function Domain Range 2nd SIN y sin x 1 lt x lt 1 Ys 2nd Cos y cos x 1 lt x lt T1 C Van 2nd TAN y tan x All real numbers SS y lt YFC All real numbers DIV y seclx x o 05 U Z y csc x x 7 5 0 ve z Laws of Sines and Cosines Sine Cosine sin A sin B sin C a b2 c 2bc cos A a b c c a2 b 2ab cos C b2 c2 a 2ac cos B Unit Circle 90 120 60 at fo 0 1 2 135 El v3 ae 1 v3 45 A IDAS 12 V2 a 150 AO O 30 PA B1 v3 i 2 2 180
7. 4 gt 4 or to move the cursor around Tracing a Function Use the TRACE operation to move the cursor from one plotted point to the next along a function To begin press TRACE The TRACE cursor is on the first selected function in the Y editor centered horizontally on the screen The cursor coordinates are displayed at the bottom of the screen if CoordOn format is selected The Y expression is displayed in the top left corner of the screen if ExprOn format is selected Moving the TRACE Cursor To move the TRACE cursor Do this To the previous or next plotted point Press 4 or gt Press 2nd 4 or 2nd gt Five plotted points on a function Xres affects this To any valid X value on a function Enter a value amp press ENTER Press 4 or y From one function to another To alter the viewing area of the graph press ZOOM MEMORY 1 ZBox Draws a box to define the viewing window 2 Zoom In Magnifies the graph around the cursor 3 Zoom Out Views more of a graph around the cursor 4 ZDecimal Sets AX and AY to 0 1 5 ZSquare Sets equal size pixels on the X and Y axes 6 ZStandard Sets the standard window variables 7 28 Sets the built in trig window variables 8 Zinteger Sets integer values on the X and Y axes 9 ZoomStat Sets the values for current stat plots 0 ZoomFit Fits Ymin and Ymax between Xmin and Xmax To display the CALCULATE menu press 2nd CALC CALCULATE 1 value Calculates a function Y
8. Flot The intersection of y lt 2x 3 and y gt 5x2 7 is shaded The Inequality Graphing App for the TI 84 Plus Silver Edition is used here to enter the equations y lt 2x 3 and y gt 5x 7 a 34 a 0 SS 8 3 LO 4 E 2 DJ ENTER 9 aP aq 35 x 36 ar mapti 34 aa BA LOLIIEIEI4 ID ENTER 2187 ab arbr 3 x 2 4 34x 2 B A 4 x 2 YE E ENTER 1296 EN aa roll 34 al pr b 0 ral 94 3 N 4 G 2 Y 4 ENTER 5 0625 ir 2 AERE as Var 94 V9 4 MATH 5 LO 9 Y 2 DJ ENTER S a9 1 a 0 39 7 8 EJ 0 ENTER 1 at t a 0 m i 08040 E 0123 Binomial Expansion a b c ab ac a b c d ac ad bc bd a b a 2ab b2 a b a 2ab b2 a b a3 3a2b 3ab b a b a 3a2b 3ab b3 a b 4 a4 4a b 6a b 4ab b4 a b a 5a4b 10a3b2 10a b3 5ab4 b Factoring a b a b a b a 2ab b a b a 2ab b2 a b a b a b a ab b2 ab ab ab a 1 a 1 a b a b a2 ab b2 Factorial n n 1 n 2 2 1 Example 5 5 4 3 2 1 Keystrokes 5 lt 4 ENTER 120 Logarithms ex y log x means aY x log X r log X log x l09 9 X log xy log x log y log 1 0 loge gt lI lI X E eee oga y F oga X oga y oga Ja gt 10910 a In x log X Ine 1 O Texas Instruments 2007 Solving Linear System
9. and geometric diagrams Then alter geometric objects on the fly to see patterns make conjectures and draw conclusions O 3 44 CLASS SIGN UP Organizer EUY Ti 8s FLUS 50 ETOLOGY LAE REF FRACTICE FLUTE O 1 02 TERM FAFER DUE e 11 27 STUDY 4 FINALS Diz 20 CHRISTMAS PRESEI DONE MEH MOTO OFT IHAIN Keep track of where you re going and where you ve been Put your future and your friends at your fingertips when you input contacts and tasks CellSheet 4d RATE os q MEM 215 ELN You have a spreadsheet to your TI 84 Plus Silver HT IE ET i i mlmm Edition Create graphs including pie charts and ay tesfootzsl filla range of cells with formulas You can even l ERGE Bo CERISES 12 Renul import and export files to and from Excel StudyCards Create electronic flash cards to use as a study tool for WHICH TYFE OF REGRESSION FEST FITS THE DATH fl quiz or test review Download ready made StudyCard IMUADRATIC stacks for the SAT and ACT from our collection WEXPORENTIALL MENU Ves no FLIF ETAT at education ti com studycards Create and share stacks with other students from all over the world NoteFolio Easily type notes for all your classes with the TI Keyboard Select cut copy paste delete and insert text in your notes Best of all use the NoteFolio Creator PC utility to transfer notes to and from Word files Topics in Algebra 1 Walk run or ride a bicycle through basic concepts
10. d write it on paper You can enter an expression on the home screen to calculate an answer Entering an Expression To create an expression you enter numbers variables and functions from the keyboard and menus on your TI 84 Plus Silver Edition An expression is completed when you press ENTER regardless of the cursor location The entire expression is evaluated according to Equation Operating System EOS rules see General Math page and the answer is displayed When an entry is logta executed on the home screen the answer is displayed on the right side of the next line The mode settings control the way the TI 84 Plus Silver Edition interprets expressions and displays answers If an answer such as a list or matrix is too long to display entirely on one line an Li 25 12 974 2 36 ellipsis is displayed to the right or left Press gt or 4 to display the rest of the answer To display the MATH menu press MATH NUM CPX PRB 1 Frac Displays answer as a fraction 2 Dec Displays answer as a decimal 3 oe Calculates cube 4 y Calculates cube root Sy Calculates xth root 6 fMin Finds minimum of a function 7 fMax Finds maximum of a function 8 nDeriv Computes numeric derivative 9 fnint Computes integral of a function 0 Solver Displays equation solver To display the MATH NUM menu press DJ MATH NUM CPX PRB 1 abs Computes absolute value 2 round Rounds value to specified decimal place
11. each menu name Setting Modes Mode settings control how your Tl 84 Plus Silver Edition displays and interprets numbers and graphs Mode settings are retained by the Constant Memory feature when you turn off your Tl 84 Plus Silver Edition All numbers including elements of matrices and lists are displayed according to the current mode settings To display the mode settings on your Tl 84 Plus Silver Edition press MODE The current settings will be highlighted Default settings are highlighted below Numeric notation Number of decimal places Unit of angle measure Type of graphing Whether to connect graph points Whether to plot simultaneously Real rectangular complex or polar complex Full screen two split screen modes Normal Sci Eng Float 0123456789 Radian Degree Func Par Pol Seq Connected Dot Sequential Simul Real a b re 0 Full Horiz G T Changing Mode Settings To change mode settings 1 Press or to move the cursor to the line of the setting you want 2 Press gt or to move the cursor to the setting you want 3 Press ENTER F education ti com Entering Expressions and Instructions What is an Expression An expression is a group of numbers variables or functions and their arguments or a combination of these elements An expression evaluates to a single answer For example 4 is an expression On the TI 84 Plus Silver Edition you enter an expression in the same order as you woul
12. ed Apps 18 4 USB cable included TI Connectivity USB cable sold separately Connectivity Case Color SILVER amp Customizable Classic dark gray Z80 Processor Speed 15 MHz 6 MHz RAM 24 Kb 24 Kb TI Connectivity Kit With the TI Connect software and TI Connectivity USB cable you can link your Tl 84 Plus to a personal computer As future software updates become available on the Tl website you can download the software to your computer and use the TI Connect software and TI Connectivity USB cable to update your Tl 84 Plus education ti com t TI 84 Plus Silver Edition Edit Keys Keystroke Result gt or 4 Moves the cursor within an expression 4 or y Moves the cursor from line to line within an expression that occupies more than one line On the top line of an expression on the home screen moves the cursor to the beginning of the expression On the bottom line moves the cursor to the end of the expression 2nd Moves the cursor to the beginning of an expression 2nd Moves the cursor to the end of an expression ENTER Executes an instruction and or an expression CLEAR On a line with text on the home screen clears the current line On a blank line on the home screen clears everything on the home screen In an editor clears the expression or value where the cursor is located DEL Deletes a character at the cursor INS Changes the cursor to an underline __ and inserts characters in front of
13. er Edition On this screen you can enter instructions to execute and expressions to evaluate The answers are displayed on the same screen To return to the Home Screen from any other screen press QUIT Texas Instruments 2007 TI 84 Plus Silver Edition Keyboard key accesses the Handheld Software Applications Apps loaded on your Tl 84 Plus Silver Edition TI 84 Plus Silver Edition i Texas INSTRUMENTS ma ADD 114 8 i poc ai ALPHA accesses the alpha function oe r printed in green above each key all E e accesses the second function h Lp oO BEE i Eee printed in blue above each key Operations keys ACA keys let you move the cursor in four directions MD CLEAR erases clears the entry line or deletes an entry and answer on the home screen MATRI 900g D20090 DGZ evaluates an expression executes an instruction or selects a menu item Special Features of the TI 84 Plus Silver Edition TI 84 Plus and TI 83 Plus Flash Electronic Upgradability The Tl 84 Plus Silver Edition TI 84 Plus and Tl 83 Plus use Flash technology which lets you update your operating system and add Handheld Software Apps such as Topics in Algebra 1 Inequality Graphing NoteFolio TlmeSpan CellSheet and many more Comparing the TI 84 Plus Silver Edition and the TI 83 Plus TI 84 Plus Silver Edition TI 83 Plus Flash ROM 1 54 Mb 160 Kb Holds up to 94 Apps 10 Apps Preload
14. es and angles equal Right one 90 degree angle Ena Pythagorean Theorem Example Draw an Isosceles Triangle 1 Create a segment 2 Find the middle of the segment 3 Trace a perpendicular line crossing the middle point 4 Trace a triangle using the two existing points of the segment and a point on the perpendicular line Angles Acute Angle Obtuse Angle Right Angle less than 90 greater than 90 equals 90 Straight Angle equals 180 A Complementary Angles Supplementary Angles two angles add up to 90 two angles add up to 180 O Complete Angle rotation equals 360 Geometric Formulas All Perimeters Triangle P a b c w Perimeter P aa Perimeter P 4s Parallelogram Area A s2 Perimeter P a b c d Rectangle aaa amei Perimeter P 2l 2w Trapezoid Area A Iw Perimeter P a b c d Circle Area A a b h Circumference C 2ar 2 Area A ar Texas Instruments 2007 Polygons The information in this section is presented using screen shots from the StudyCards and Cabri Jr Apps for the Tl 84 Plus Silver Edition Q adtilat rgt 4Y sided Po aor Rectanile Quadrilateral with 4 Fight andes Ehormbus Quadrilater al with Y condruent sides MENUIYES no FLIF STATE Traz ond duadriMa kara With exockl 1 Fair oF Far alle sides FaraMelo rar Quadrilateral with bokh EJES OF rra dan Parallel MENU YES no FLIF STATHs aware Quadra Mera with 4 riahk anaes and 4 cond
15. in algebra You can be the envy of all your friends by grasping this mystical subject with this fun and easy tutorial Texas Instruments 2007 To access the Apps on your TI 84 Plus Silver Edition All you have to do is press the key scroll down the list to the App you d like to explore and press ENTER If you get stuck using an App visit education ti com guides to download the FREE instruction guide But that s not all We also have dozens of other Apps you can download and all of them are FREE Visit the Tl website at education ti com apps to find out more information on all of the Apps you can download So how do you get these free Apps First you ll need a TI Connectivity USB cable one is included with the TI 84 Plus Silver Edition and is available as an accessory with the TI 83 Plus model You can purchase a TI Connectivity USB cable at a retail store or the TI Online Store USB and serial cables are available for both Windows PCs and Macintosh computers Inside the Tl Connectivity kit and Tl 84 Plus Silver Edition package you will find a CD with TI Connect link software which allows your computer to communicate with your Tl 84 Plus Silver Edition handheld Follow the directions to install the software from the CD into your computer Next visit education ti com apps to browse through the FREE Apps that are available for the Tl 84 Plus and TI 83 Plus families of graphing calculators All Apps a
16. iquid or Volume Measures 1 4 teaspoon 1 teaspoon 1 teaspoon 1 tablespoon 2 tablespoons 27 cubic feet 1 cubic yard 1000 cu millimeters 1 cu cm 1000 cu centimeters 1 cu dcm 1000 cu decimeters 1 cu meter Linear Measure 12 inches 1 foot 3 feet 1 yard 5 1 7 yards 1 rod 40 rods 1 furlong 5 280 feet 1 mile 10 millimeters 1 centimeter 10 centimeters 1 decimeter 10 decimeters 1 meter 10 meters 1 dekameter 10 dekameters 1 hectometer 10 hectometers 1 kilometer approximate 0 042 fluid ounce 0 083 fluid ounce 0 167 fluid ounce 0 5 fluid ounce 1 fluid ounce 2 pints 1 quart 4 quarts 1 gallon 31 1 5 gallons 1 barrel 2 barrels 1 hogshead 10 milliliters 1 centiliter 10 centiliters 1 deciliter 10 deciliters 1 liter 10 liters 1 dekaliter 10 dekaliters 1 hectoliter 10 hectoliters 1 kiloliter Mass Measure 10 milligrams 1 centigram 10 centigrams 1 decigram 10 decigrams 1 gram 10 grams 1 dekagrams 10 dekagrams 1 hectogram 10 hectograms 1 kilogram 100 kilograms 1 quintal 10 quintals 1 ton 9 square feet 1 square yard 30 1 4 square yards 1 sq rod 160 square rods 1 acre 640 acres 1 square mile 100 sq millimeters 1 sq cm 100 sq centimeters 1 sq dcm 100 sq decimeters 1 sq meter 100 sq meters 1 sq dekameter 100 sq dekameters 1 sq hm 100 sq hectometers 1 sq km Troy Weigh
17. les 1 Do all operations within parentheses 2 Do all powers and roots 3 Do multiplication and division in order from left to right 4 Do addition and subtraction in order from left to right Equation Operating System EOS for the TI 84 Plus Silver Edition EOS defines the order in which functions and expressions are entered and evaluated EOS evaluates the functions in an expression in this order 1 Functions that precede the argument such as V sin or log 2 Functions that are entered after the argument such as 2 7 or and conversions 3 Powers and roots such as 25 or V32 4 Permutations nPr and combinations nCr 5 Multiplication implied multiplication and division 6 Addition and subtraction 7 Relational functions such as gt or lt 8 Logic operator and 9 Logic operators or and xor Within a priority level EOS evaluates functions from left to right Calculations within parentheses are evaluated first Texas Instruments 2007 Plus Silver Edition ES Math Symbols To access many math symbols go to the TEST Menu on your TI 84 Plus Silver Edition by pressing TEST Powers and Roots Square value2 Square root y value The x2 key returns a value multiplied by itself The value can be a real or complex number expression or list v returns the square root of a real or complex number expression or list Common Squares and Roots CON OOF WN Cube value
18. re FREE to download simply follow the steps online Just be sure to save the file in a location you ll remember Now it s time to transfer the App from your computer to your TI 84 Plus Silver Edition This is the easy part Just plug your USB cable into your computer and your Tl 84 Plus Silver Edition launch the Tl Connect software and click on Device Explorer TI Connect will automatically detect your device All you have to do is find the App file you saved drag it to the Device Explorer window drop it and wait for it to transfer Voila Press the key to see your newly transferred App Good luck and happy downloading We know you ll have an Appsolute blast Excel Word Windows and Macintosh are registered trademarks of their respective owners SAT amp AP are registered trademarks of the College Entrance Examination Board PSAT NMSOT is a registered trademark of the College Entrance Examination Board and National Merit Scholarship Corporation ACT is a registered trademark of ACT Inc None of these were involved in the production of nor do they endorse this product Policies subject to change Visit www collegeboard com and www act org education ti com General Math with the TI 84 Arithmetic Operations and Properties Arithmetic Operations with the TI 84 Plus Silver Edition Addition valueA valueB Returns valueA plus valueB Subtraction valueA valueB Subtracts valueB from valueA Multiplication valueA x val
19. rusenk sides Ri3ular Fentadon E sided Folvaoen with congruent sides and angles MENUIYES No FLIF STATI Circles This section features the Cabri Jr App for the Tl 84 Plus Silver Edition Diameter 2 radius Circumference a diameter Circle Area r radius A y TA Diameter Chord on Me FE i Hider Show F f Aeh T Heo REEL y 00 ipl 7 Area ick aa FE Hider Show F Ale h hhure Dis lay Co ord En Clear Circle s Equation Rectangular Prism Right Circular Cone Surface S 2 hl lw hw Lateral Volume V Iwh Surface S ar vre h2 Total Sphere Surface S nr vr h nr Surface S 4a1r Volume V ar2h 3 3 Volume Me S Frustum of a Cone Volume V ah r rR R2 Right Circular Cylinder l a ide atera Circular Sector Surface S 2arh Area A y r20 Total Circular Ring Surface S 2nrh 211 Area A a R2 r2 Volume V rr2h education ti com CabriJr Real Numbers Trigonometric Functions Acute Angles mas 0 _h sin 0 PP hyp csc 0 YP opp cos 0 O sec 0 YP tan 0 OPP a aj cot 0 aa N Arbitrary Angles sin 0 9 cse o cost sec 0 tan 9 P coto A sint y csc t My cost x sec t ya tant Y cott Special Triangles Trigonometric Identities csc t 1 sin t tan t sin t cos t sec t 1 cos t cot t cos t sin t cot t 1 tan t sin t cos t 1 sin t sin t 1 tan t sec t cos t cos t 1 cot t csc t tan t tan t sin u v
20. s by Graphing The intersection of two functions is the solution to the system Graphing provides a quick and powerful way to solve linear systems Ploti Flot Plot wY EAS wY A ot gt y y A YrE Ygs r Intersection A b A Y 1E 1 Enter equations in the Y editor 2 Press GRAPH to graph both equations You may need to adjust the viewing window 3 Press CALC 5 intersect to find the point of intersection 4 Press ENTER to select the 1st curve and again to select the 2nd curve 5 Enter your best guess and press ENTER Quadratic Formula If a 0 the roots of ax bx c Oare y Tb Vb hac 2a Example 3x2 2x 4 where a 3 b 2 c 4 x 2 V22 4 3 4 2 3 Keystrokes Step 1 22 4 3 4 2 x2 2 4 6 3 LJ O 4 ENTER 52 Step 2 2 v52 A 2 2nd W 5 2 D ENTER 5 211 2 152 8 2 E 2nd Ev 5 2 DJ ENTER 9 211 Step 3 5 211 BAOEN ENTER 0 869 2 3 9 211 OULAAS ENTER 1 535 2 3 Using the Equation Solver Use the Equation Solver on your Tl 84 Plus Silver Edition to solve for any variable in an equation In this example the Solver is being used to find one of the roots of the polynomial x2 5x 6 EQUATION SOLVER ent B 42 SH 6 e EL bound 1699 1 left rt 6 1 Press 0 Solver 2 Enter equation must be in form where equation is set equal to 0 and press ENTER 3 Place cursor next to variable for which you would
21. ss most TI 84 Plus Silver Edition operations using menus When you press a key or key combination to display a menu one or more menu names appear on the top line of the screen The menu name on the left side of the top line is highlighted Up to seven items in that menu are displayed beginning with item 1 which is also highlighted A number or letter identifies each menu item s place in the menu The order is 1 through 9 then 0 then A B C and so on When the menu continues beyond the displayed items a down arrow 4 replaces the colon next to the last displayed item When a menu item ends in an ellipsis selecting the item will display a secondary menu or editor Displaying a Menu While using your Tl 84 Plus Silver Edition you will often need to access items from its menus When you press ATA TUN CPS PRS a key that displays a menu that menu temporarily FE PSC gt Dec replaces the screen where you are working Example Calculate 5 93 1 5 9 Enter the expression in the home screen 2 Press MATH 3 Press 3 to choose the correct item from the menu 4 Press to calculate Keystrokes 5 9 734 Moving Between Menus Some of the keys on your Tl 84 Plus Silver Edition access more than one menu When you press such a key the names of all accessible menus are displayed on the top line When you highlight a menu name the items in that menu are displayed Press gt and 4 to highlight
22. t 24 grains 1 pennyweight 20 pennyweights 1 ounce 12 ounces 1 pound This section uses the Science Tools App for the Tl 84 Plus Silver Edition to help convert any unit Example Convert 250km to fathoms 1 Select LENGTH from the unit converter Menu 2 Enter 250 the numerical value to convert 1 4 cup 2 fluid ounces 3 Use the arrow keys to select km the conversion unit to convert 1 3 cup 2 67 fluid ounces from and then press ENTER 1 3 cup 4 fluid ounces 4 Use the arrow key to select fath the conversion unit to convert to 2 3 cup 5 33 fluid ounces and then press ENTER 3 4 cup 6 fluid ounces l 1 cup 8 fluid ounces i Mi in ft yd km Mil i Ft yd 1 pint 2 16 fluid ounces Foth Fd mhi hr TEPE EAN ra mi hr TyF 1 quart 32 fluid ounces sal an Fath 1 gallon 128 fluid ounces 1 liter 33 82 fluid ounces Texas Instruments 2007 education ti com
23. the underline cursor to end insertion press 2nd INS or press 4 gt or 2nd Changes the cursor to the next keystroke performs a 2nd operation in blue above a key to cancel 2nd press again ALPHA Changes the cursor to 0 the next keystroke pastes an alpha character in green above a key to cancel press again or press 4 4 gt or 2nd A LOCK Changes the cursor to O sets alpha lock subsequent keystrokes paste alpha characters to cancel alpha lock press ALPHA If you are prompted to enter a name for a group ora program alpha lock is set automatically Pastes an X in Func mode a T in Par mode a 8 in Pol mode or an nin Seq mode with one keystroke Display Cursors In most cases the appearance of the cursor indicates what will happen when you press the next key Cursor Appearance Effect of next keystroke Entry Solid rectangle A character is entered at the cursor A any existing character is overwritten Insert Underline A character is inserted in front of the me cursor location Second Up arrow A 2nd character blue on the keyboard 4 is entered or a 2nd operation is executed Alpha Reverse A An alpha character green on the keyboard fi is entered or SOLVE is executed Full Checkerboard rectangle i No entry the maximum number of characters has been entered at a prompt or memory is full Texas Instruments 2007 Using a TI 84 Plus Silver Edition Menu You can acce
24. ueB Returns valueA times valueB Division valueA valueB E 63 09 67 Returns valueA divided by valueB Properties of Addition amp Multiplication Commutative property of addition Commutative property of multiplication Associative property of addition a b b a ab ba a b c a b c a bc ab c a b c ab ac a b c ab ac Associative property of multiplication Distributive property of multiplication over addition Distributive property of multiplication over subtraction Numbers Prime Numbers A whole number with only two factors itself and 1 EXAMPLES 2 3 5 7 11 13 17 Common Factors A number that divides exactly into two or more given numbers EXAMPLES 1 2 3 4 6 and 12 are factors of 12 Greatest Common Factor The greatest number that is a factor of two or more numbers EXAMPLE 4 is the greatest common factor of 12 and 16 To calculate the greatest common factor on your Tl 84 Plus Silver Edition press MATH gt 9 ged This will compute the greatest common factor of valueA and valueB which can be real numbers or lists Least Common Multiple The smallest number that is a multiple of two or more numbers EXAMPLE 12 is the least common multiple of 2 3 4 and 6 To calculate the least common multiple on your TI 84 Plus Silver Edition press MATH gt 8 lem This will compute the least common multiple of valueA and valueB which can be real numbers or lists Order of Operations General Ru
25. value for a given X 2 zero Finds a zero x intercept of a function 3 minimum Finds a minimum of a function 4 maximum Finds a maximum of a function 5 intersect Finds an intersection of two functions 6 dy dx Finds a numeric derivative of a function 7 Sf x dx Finds a numeric integral of a function To return to the Home Screen from any other screen press QUIT education ti com z yi i bout Apps for the TI 84 Plus Silve If you ve ever wondered So what is that little key on your TI 84 Plus Silver Edition for anyway Handheld Software Applications or Apps are pieces of software you can add on to your Tl 84 Plus Silver Edition or Tl 84 Plus in the same way you would add software to your computer This allows you to customize your TI handheld to meet your class needs and update it from one year to the next Pretty cool huh The TI 84 Plus Silver Edition comes preloaded with lots of Apps StudyCards Probability Simulation CBL CBR Conic Graphing Cabri Jr Organizer CellSheet Puzzle Pack Science Tools Catalog Help Vernier EasyData to name a few The TI 84 Plus comes preloaded with StudyCards Probability Simulation CBL CBR Catalog Help and other Apps Some of the coolest Apps for the Tl 84 Plus Silver Edition and Tl 84 Plus are Cabri Jr Add a new dimension to your learning experience with Cabri Jr our interactive Geometry App Construct analyze and transform mathematical models
26. y1 Example Find the distances between the points P 2 5 and P 3 1 Py Po V 3 22 1 5 2 V 5 2 4 2 Dey oon ee 40 Keystrokes 2nd v7 CO 3 Y 2 D k3 E Ed E E 6 DJ E D ENTER 6 403 To draw the line segment between 3 1 and 2 5 on your TI 84 Plus Silver Edition 2nd DRAW 2 Line 0008100 Quadratic Functions This section features the Conic Graphing App for the Tl 84 Plus Silver Edition Equation of a circle x H y k R2 Values are entered for the center and the radius The Conic Graphing App produces a circle you can now trace PARABOLA DEAR H Kec P i E gt Equation of a parabola x H 2 4P y k Values are entered for the vertex H K and the distance P between the directrix and the vertex The Conic Graphing App produces a parabola you can now trace et hie The Transformation Graphing App allows you to see what happens to a graph as you change its coefficient s education ti com lt _ gt o ___ gt Line Ray a ae Line Segment Line of Symmetry Parallel Lines Creation of primitive geometric objects as Points Lines Line Segments and many others is fun and easy using the Cabri Jr App for the TI 84 Plus Silver Edition Trianda Quad Triangles This section features the Cabri Jr App for the Tl 84 Plus Silver Edition Equilateral all sides and angles equal a b Isosceles two sid
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