TI-84 Plus and TI-84 Plus Silver Edition Guidebook

1 TI-84 plus and TI- 84 plus silver edition guidebook Note: This Guidebook for the TI-84 plus or TI-84 plus Silver Edition with operating system (OS). version If your calculator has a previous OS version, your screens may look different and some features may not be available. You can download the latest OS at Important Information Texas Instruments makes no warranty, either express or implied, including but not limited to any implied warranties of merchantability and fitness for a particular purpose, regarding any programs or book materials and makes such materials available solely on an "as-is" basis. In no event shall Texas Instruments be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of these materials, and the sole and exclusive liability of Texas Instruments, regardless of the form of action, shall not exceed the purchase price of this product.

2 Moreover, Texas Instruments shall not be liable for any claim of any kind whatsoever against the use of these materials by any other party. 2010 Texas Instruments Incorporated Vernier EasyData, Vernier LabPro, and Vernier Go! Motion are a trademarks of Vernier Software & Technology. ii Contents Important Information .. ii Chapter 1: Operating the TI-84 plus Silver Edition .. 1. Documentation Conventions .. 1. TI-84 plus Keyboard .. 1. Turning On and Turning Off the TI-84 plus .. 3. Setting the Display Contrast .. 4. The Display .. 5. Interchangeable Faceplates .. 8. Using the Clock .. 9. Entering Expressions and Instructions .. 11. Setting Modes .. 14. Using TI-84 plus Variable Names .. 19. Storing Variable Values .. 20. Recalling Variable Values .. 21. Scrolling Through Previous Entries on the Home Screen .. 21. ENTRY (Last Entry) Storage Area .. 22. TI-84 plus Menus .. 24. VARS and VARS Y-VARS Menus.

3 27. Equation Operating System (EOS ) .. 28. Special Features of the TI-84 plus .. 29. Other TI-84 plus Features .. 30. Error Conditions .. 32. Chapter 2: Math, Angle, and Test Operations .. 34. Getting Started: Coin Flip .. 34. Keyboard Math Operations .. 35. MATH Operations .. 37. Using the Equation Solver .. 41. MATH NUM (Number) Operations .. 44. Entering and Using Complex Numbers .. 49. MATH CPX (Complex) Operations .. 53. MATH PRB (Probability) Operations .. 55. ANGLE Operations .. 58. TEST (Relational) Operations .. 61. TEST LOGIC (Boolean) Operations .. 62. Chapter 3: Function Graphing .. 64. Getting Started: Graphing a Circle .. 64. Defining Graphs .. 65. Setting the Graph Modes .. 66. Defining Functions .. 67. Selecting and Deselecting Functions .. 68. Setting Graph Styles for Functions .. 70. Setting the Viewing Window Variables .. 72. Setting the Graph Format .. 73. Displaying Graphs.

4 75. Exploring Graphs with the Free-Moving Cursor .. 77. Exploring Graphs with TRACE .. 77. Exploring Graphs with the ZOOM Instructions .. 79. Using ZOOM MEMORY .. 84. Using the CALC (Calculate) Operations .. 86. iii Chapter 4: Parametric Graphing .. 90. Getting Started: Path of a Ball .. 90. Defining and Displaying Parametric Graphs .. 92. Exploring Parametric Graphs .. 94. Chapter 5: Polar Graphing .. 96. Getting Started: Polar Rose .. 96. Defining and Displaying Polar Graphs .. 97. Exploring Polar Graphs .. 99. Chapter 6: Sequence Graphing .. 101. Getting Started: Forest and Trees .. 101. Defining and Displaying Sequence Graphs .. 102. Selecting Axes Combinations .. 106. Exploring Sequence Graphs .. 107. Graphing Web Plots .. 108. Using Web Plots to Illustrate Convergence .. 109. Graphing Phase Plots .. 110. Comparing TI-84 plus and TI-82 Sequence Variables .. 112. Keystroke Differences Between TI-84 plus and TI-82.

5 113. Chapter 7: Tables .. 114. Getting Started: Roots of a Function .. 114. Setting Up the Table .. 115. Defining the Dependent Variables .. 116. Displaying the Table .. 117. Chapter 8: Draw Instructions .. 120. Getting Started: Drawing a Tangent Line .. 120. Using the DRAW Menu .. 121. Clearing Drawings .. 122. Drawing Line Segments .. 123. Drawing Horizontal and Vertical Lines .. 124. Drawing Tangent Lines .. 125. Drawing Functions and Inverses .. 126. Shading Areas on a Graph .. 127. Drawing Circles .. 127. Placing Text on a Graph .. 128. Using Pen to Draw on a Graph .. 129. Drawing Points on a Graph .. 130. Drawing Pixels .. 131. Storing Graph Pictures (Pic) .. 133. Recalling Graph Pictures (Pic) .. 134. Storing Graph Databases (GDB) .. 134. Recalling Graph Databases (GDB) .. 135. Chapter 9: Split Screen .. 136. Getting Started: Exploring the Unit Circle .. 136. Using Split Screen.

6 137. Contents iv Horiz (Horizontal) Split Screen .. 138. G-T (Graph-Table) Split Screen .. 139. TI-84 plus Pixels in Horiz and G-T Modes .. 140. Chapter 10: Matrices .. 142. Getting Started: Using the MTRX Shortcut Menu .. 142. Getting Started: Systems of Linear Equations .. 143. Defining a Matrix .. 144. Viewing and Editing Matrix Elements .. 145. Using Matrices with Expressions .. 147. Displaying and Copying Matrices .. 148. Using Math Functions with Matrices .. 150. Using the MATRX MATH Operations .. 153. Chapter 11: Lists .. 160. Getting Started: Generating a Sequence .. 160. Naming Lists .. 161. Storing and Displaying Lists .. 162. Entering List Names .. 163. Attaching Formulas to List Names .. 164. Using Lists in Expressions .. 166. LIST OPS Menu .. 167. LIST MATH Menu .. 174. Chapter 12: Statistics .. 177. Getting Started: Pendulum Lengths and Periods .. 177. Setting Up Statistical Analyses.

7 183. Using the Stat List Editor .. 184. Attaching Formulas to List Names .. 187. Detaching Formulas from List Names .. 189. Switching Stat List Editor Contexts .. 189. Stat List Editor Contexts .. 191. STAT EDIT Menu .. 192. Regression Model Features .. 194. STAT CALC Menu .. 197. Statistical Variables .. 202. Statistical Analysis in a Program .. 204. Statistical Plotting .. 204. Statistical Plotting in a Program .. 209. Chapter 13: Inferential Statistics and Distributions .. 211. Getting Started: Mean Height of a Population .. 211. Inferential Stat Editors .. 214. STAT TESTS Menu .. 216. Inferential Statistics Input Descriptions .. 232. Test and Interval Output Variables .. 234. Distribution Functions .. 235. Distribution Shading .. 241. Chapter 14: Applications .. 244. The Applications Menu .. 244. Contents v Getting Started: Financing a Car .. 245. Getting Started: Computing Compound Interest.

8 246. Using the TVM Solver .. 246. Using the Financial Functions .. 247. Calculating Time Value of Money (TVM) .. 248. Calculating Cash Flows .. 250. Calculating Amortization .. 251. Calculating Interest Conversion .. 254. Finding Days between Dates/Defining Payment Method .. 254. Using the TVM Variables .. 255. The EasyData Application .. 256. Chapter 15: CATALOG, Strings, Hyperbolic Functions .. 259. Browsing the TI-84 plus CATALOG .. 259. Entering and Using Strings .. 260. Storing Strings to String Variables .. 261. String Functions and Instructions in the CATALOG .. 262. Hyperbolic Functions in the CATALOG .. 266. Chapter 16: Programming .. 268. Getting Started: Volume of a Cylinder .. 268. Creating and Deleting Programs .. 269. Entering Command Lines and Executing Programs .. 271. Editing Programs .. 272. Copying and Renaming Programs .. 273. PRGM CTL (Control) Instructions .. 274.

9 PRGM I/O (Input/Output) Instructions .. 281. Calling Other Programs as Subroutines .. 286. Running an Assembly Language Program .. 287. Chapter 17: Activities .. 289. The Quadratic Formula .. 289. Box with Lid .. 293. Comparing Test Results Using Box Plots .. 300. Graphing Piecewise Functions .. 302. Graphing Inequalities .. 304. Solving a System of Nonlinear Equations .. 306. Using a Program to Create the Sierpinski Triangle .. 307. Graphing Cobweb Attractors .. 309. Using a Program to Guess the Coefficients .. 310. Graphing the Unit Circle and Trigonometric Curves .. 312. Finding the Area between Curves .. 314. Using Parametric Equations: Ferris Wheel Problem .. 315. Demonstrating the Fundamental Theorem of Calculus .. 317. Computing Areas of Regular N-Sided Polygons .. 320. Computing and Graphing Mortgage Payments .. 323. Chapter 18: Memory and Variable Management .. 325. Checking Available Memory.

10 325. Deleting Items from Memory .. 328. Clearing Entries and List Elements .. 329. Archiving and UnArchiving Variables .. 330. Contents vi Resetting the TI-84 plus .. 334. Grouping and Ungrouping Variables .. 337. Garbage Collection .. 341. ERR:ARCHIVE FULL Message .. 344. Chapter 19: Communication Link .. 345. Getting Started: Sending Variables .. 345. TI-84 plus LINK .. 347. Selecting Items to Send .. 349. Receiving Items .. 353. Backing Up RAM Memory .. 355. Error Conditions .. 356. Appendix A: Functions and Instructions .. 357. Appendix B: Reference Information .. 386. Variables .. 386. Statistics Formulas .. 388. Financial Formulas .. 392. Important Things You Need to Know About Your TI-84 plus .. 396. Error Conditions .. 399. Accuracy Information .. 405. Appendix C: Service and Warranty Information .. 407. Texas Instruments Support and Service .. 407. Battery Information .. 407.