Solution 36476: Resolving a Nonreal Answer/Ans Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...is returned if the answer to a problem contains an imaginary number. For example, if your calculator is in real mode, and you try to compute for the square root of negative one, you get the following error message: To resolve this error, first, ensure that the problem is entered correctly. If th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36476
Solution 35935: Computing the Average Rate of Change of an expression on the TI-Nspire™ CAS Family Products.
...x. This function is found under [catalog]. The syntax is avgRC(Exp, Var[=Value][,Step]). An Average rate of change returns the forward-difference quotient. Expression 1 can be a user-defined function. 1) Press [catalog] and scroll down to avgRC( and key in the following: AvgRC(F(X),X,H) and...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35935
Solution 10389: Differences in Features Between the TI-82 and TI-83.
...Multiple graph styles to differentiate the look of each graph• Graph-Table split screen (in addition to the horizontal split screen)• An interactive Equation Solver• Ability to give names to lists, attach formulas to lists, and enter 999 elements (compared to 99 on the TI-82)• Logistic Regression...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10389
Solution 38395: Sending Unprompted Files from a TI-Nspire Family Handheld and Viewing them within TI-Nspire Navigator Family Software.
... select the action [View] in the bottom left hand corner. 3) The file selected will then automatically open up in the Document Workspace. If you have questions about the information listed above, please contact TI-Cares for additional assistance. Solution 38395: Sending Unprompted Files from a T...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/38395
Solution 10631: Calculator Usage Guidelines for the ACT® test.
...mputers• Electronic writing pads or pen-input devices• Calculators built into cellular phones or other wireless communication devices• Models with a QWERTY (typewriter) keypad (Calculators with letters on the keys are permitted as long as the keys are not arranged in QWERTY format.)• Models wi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 38375: Troubleshooting Connectivity Issues with Texas Instruments SilverLink USB cable on Mac OSX.
...ect on Mac OSX for other calculators and cables please refer to Knowledge Base# 27430. 1) Verify your computer's operating system meets the System Requirements of TI-Connect for Mac OSX. 2) If the calculator takes batteries try a brand new set of batteries in the calculator. Next follow the bel...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38375
Solution 11128: Availability of Graphing Calculator Suitcases.
...table for shipping TI graphing and ViewScreen™ calculators. This suitcase holds up to 30 TI graphing calculators. The suitcase can be ordered from: Quality Cases and Containers LLC 1315 Exchange Drive Richardson, TX 75081 (972) 690-9911 (800) 275-3591 Graphing calculator shipping container: ref...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11128
Solution 33631: Evaluating an Expression in the Graphs Application using the TI-Nspire™ Family Products.
... Knowledge Base Search How do I evaluate an expression in the graphs application using a TI-Nspire family products? To evaluate an equation (find the output of a specific input) from the graphs application, please follow the steps below. For example: Find ¦(2.43) for ¦(x)= 2x^2...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33631
Solution 12005: Unexpected Complex Answer Results (i Imaginary) on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
... when calculating i^7 is the complex number -3E-13-i. The real part, -3E-13, is an approximation of zero. Thus, -3E-13-i is the same as 0-i which is equal to -i. With certain computations, these calculators use very sophisticated algorithms to calculate the most accurate answer possible. The same...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005
Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86.
...Flash technology for electronic upgradeability and Calculator Software Applications (Apps)• Finance• Inferential statistics• Split screen• Graphing sequencesItems found on the TI-86 that are not included in the TI-83 Plus family or TI-84 Plus family's functionality:• Differential equation graphin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11954
Solution 35254: Functions & Settings That Can Be Disabled Using Press-to-Test On TI-Nspire™ Handheld Units.
...on and conic grab and move. • Disable vector functions, including eigenvectors and eigenvalues. • Disable “isPrime” function. • Disable differential equation graphing. • Disable inequality graphing. • Disable 3D graphing. • Disable implicit graphing, conic templates, conic analysis, and geometric...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35254
Solution 13004: Troubleshooting a TI-Presenter™ Not Showing the Calculator Image on the TV Screen.
...Make sure the calculator cable connector is fully inserted into the TI ViewScreen™ port on the calculator. Problem: Calculator display takes only one quarter of the TV screen (TI-89 only). Solution: • Press [2nd] and [MEM] on the calculator. • Press [F1] to select Reset Mode and select 3:Default....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13004
Solution 11778: Different Logistic Regression Models Available On Current Texas Instruments Graphing Calculators.
...family, TI-92 family and Voyage 200. The TI-83 family, TI-84 Plus, TI-Nspire family, and TI-Nspire handheld in TI-84 Plus mode fit the curve to the equation: Y=c/(1 + a*exp (-b*x)). The TI-89 family, TI-92 family and Voyage 200 fit the curve to the more general equation: Y = a/(1 + b*exp (-c*...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11778
Solution 29610: Performing A 2-Samp Z Test on the TI-Nspire™ Family Products.
... Knowledge Base Search How do I calculate a 2-Samp Z Test using the TI-Nspire family products? 2-Samp Z Tests (two-Sample Z Test) test the equality of the means of two populations (u1 and u2) based on independent samples when both population standard deviations (1 and 2) are known. Usin...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29610
Solution 27430: Troubleshooting Connectivity Issues Between TI Graphing Calculators and Computers.
...92 TI-92 Plus Voyage 200 TI-Connect 1) Verify your computer's operating system meets the System Requirements of the Texas Instruments software you use to connect your calculator to the computer. 2) Verify you are logged into an Administrator acc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/27430
Solution 34424: Coefficient (r-Values) are not Displayed When Calculating Statistical Regressions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...4 Plus family of graphing calculators, the r and r2 values are computed for LinReg(a+bx), LinReg(ax+b), ExpReg, PwrReg and LnReg. R2 is computed for QuadReg, CubicReg and QuartReg. The r, r2 and R2 values are not computed for Logistic, SinReg and Manual-Fit. All the r-value variables can be fo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34424
Solution 23150: Guidelines for Linking or Using Linked Variables on the TI-Nspire™ Family Products.
...ts. For example, if the user stores the value of 2 to the variable X in a TI-Nspire document, and then creates a new TI-Nspire document, X will not equal 2 in the newly created file. Each application allows the user to define a value or function as a variable. Defining a variable is the first st...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/general-information/23150
Solution 34924: Dots or Lines Appearing on a Graph When Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...option may be turned on or off by accessing the FORMAT menu. As an example, graph Y1 = x2 by doing the following: • Press [Y=]. • In Y1, press [X,T,q,n] [x²]. • Press [ZOOM] [6]. • Pressing [ZOOM] [0] to fit the function properly on the screen. To turn off the Grid, do the following: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34924
Solution 24493: Missing Graph Lines When Graphing a Family Functions on the TI-Nspire™ Family Products.
...mily of functions you wish to display that exceed 16. For example, trying to graph the following family of functions will show only 16 lines: f(x)=seq(a*x+1,a,1,20) If entered into the calculator like it is written above, the calculator would disregard 17x+1, 18x+1, 19x+1 and 20x+1. To graph a...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24493
Solution 37362: TI-84 Plus CE SmartPad App is not Establishing Connection to Control TI-SmartView CE.
...rtPad App by pressing [Apps] followed by [Alpha] then [ln] and select the App using the arrow keys and press [Enter]. 4) After the App launches and requests you to [Press any Key...] press a single key, for example [Enter], then wait for 2 seconds for connection to be established. 5) After 2 seco...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37362
Solution 38066: TI-84 Plus CE Program does NOT work when using COLOR menu Values for LED COLOR selections or RGB LED selections.
...ll not work.Example:For(I,1,10)Send("SET COLOR.RED ON")Wait .5Send("SET COLOR.RED OFF")Wait .5EndYou may choose to change the color attribute which requires a string representation of RED, BLUE, or GREEN. If you choose to select a COLOR from the COLOR menu pull down in the Prgm menu these values...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38066
Solution 10600: Troubleshooting a TI-83 Plus or TI-84 Plus Family Graphing Calculator That Displays RAM Cleared.
...d display "Waiting...Please install calculator software now". From here, follow the instructions listed for Knowledgebase Article #11945. If you have questions about the information listed above, please contact TI-Cares for additional assistance. Solution 10600: Troubleshooting a TI-83 Plus or T...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/10600
Solution 31891: Calculating Measurements for Length, Area, Slope, and Angles Using the TI-Nspire™ Family Handhelds.
...n move the cursor to the desired area and press [enter] again to set the length value. Area Area is used to find the area within shapes, such as squares and circles. To find the area option, please follow the steps below: • Press [menu]. • Select 8: Geometry. • Select 3: Measurement. • Sele...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31891
Solution 30211: Computing Net Present Value (NPV), Modified Internal rate (MIRR), and Internal Rate of Return (IRR) Using a TI-Nspire™ Family Products.
... How do I compute NPV, MIRR, and IRR using a TI-NSPIRE family handheld or software? Commands Syntax. mirr(financeRate,reinvestRate,CF0,CFList[,CFFreq]) npv(InterestRate,CFO,CFList[,CFFreq]) irr(CF0,CFList [,CFFreq]) CF0 is the initial cash flow at time 0; it must be a real number. CFList is a...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30211
Solution 12198: TI Graphing Calculators Not Allowed on the National Council of Examiners for Engineering and Surveying (NCEES) Exams.
... Plus Silver Edition, TI-Nspire™ and TI-Nspire™ CAS. Texas Instruments has been assured that this is an issue of test security and not one of product quality. Texas Instruments is not currently working on a graphing calculator specifically for NCEES. While new products will continue to be introd...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12198