Solution 10421: Creating and Using Strings on the TI-86.
...o be displayed in a program and accept input from the keyboard in a program. To enter a string directly, the syntax is "string". To concatenate or join together two or more strings, use the + sign. The syntax is "stringA"+"stringB"+"stringC"+... To create a string variable: 1) Begin on a blan...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10421
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
... of a lower triangular matrix, L, containing ones along the main diagonal and an upper triangular matrix, U. That is, A = L*U To illustrate this point, consider the matrix, A = [[ 2,-1,0][4,3,-3][8,-14,5]] which can also be expressed as: A = [[1,0,0][2,1,0][4,-2,1]]*...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 11401: Selecting Multiple Equations Under Different 'When' Headings in the ME*Pro® Application.
...sly exist, ME*Pro restricts selection to equations under a single 'when' heading. However, in at least one known case(Beams and Columns/Simple Beams/Point load), conditions in more than one when(...) statement can occur simultaneously. A work around is to solve the equation set in two steps, usin...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11401
Solution 12323: Calculating the Linear Regression on the TI-30X IIB / TI-30X IIS.
...t variable, and y, the dependent variable. Users can enter up to 42 data sets. For Example:xStat{3,5,8,10}yStat{7,8,14,18}To define statistical data points:1) Press [2nd][STAT]. Select 2-VAR and press [ENTER]. The STAT indicator displays.2) Press [DATA].3) Enter 3 for X1.4) Press the [Down Arrow]...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12323
Solution 15402: Numeric Notation Modes on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 MultiView™ Scientific Calculators.
...isted below. • FLO/NORM - default setting for the calculator's numeric notation mode. If possible, all solutions will be displayed in floating (FLO) point decimal or normal (NORM) notation. • SCI - displays all solutions in scientific notation (if possible). The solution will be displayed as a va...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15402
Solution 10939: Calculator Options for Individuals with Visual Impairments or Low Vision.
... for text-to-speech include: performing calculations entering functions in the y= menu and tracing them on the graph screen calculating points of intersection, extrema, and other points of interest tracing stat plots, such as scatterplots and histograms performing matrix oper...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10939
Solution 34878: Explanation of r^2 and R^2 on the TI-84 Plus C Silver Edition Graphing Calculator.
...pendent variable. For example, for quadratic regression, the independent variables are x and x2, for cubic, x, x2, x3. In other words, we are really doing multiple linear regressions for these three "nonlinear" regressions. On the other hand, r2 is used for linear (LinReg), logarithmic (LnReg), p...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/34878
Solution 17309: Calculating the Natural Log of a Value Using the TI-34 II Explorer Plus™.
...ce.3) Press [ENTER].4) Press [2] [ ) ]. 5) Press [ENTER].The display will read 0.693147181 unless the calculator has a fixed setting for the decimal point.Please see the TI-34 II Explorer Plus guidebook for additional information. Solution 17309: Calculating the Natural Log of a Value Using the...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/17309
Solution 39437: Troubleshooting a TI-36X Pro that will not turn on.
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/39437
Solution 12089: Correcting the Error Message "Press I to Install Code" on the TI-89 Family, TI-92 Plus or Voyage™ 200 Graphing Calculators Using the TI Connect™ Software for Windows®.
... A battery, re-insert it and then press the letter I (the [9] key of the TI-89 family) so that "Waiting to receive" is displayed on the LCD. At this point, the operating system will need to be re-installed using a TI Connectivity cable and the TI Connect™ software. Steps to re-installing the oper...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12089
Solution 17009: Replacing the Battery In a TI-1795 SV.
...designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to repla...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/17009
Solution 11870: Using Solve( with Trigonometric Functions Returns Unexpected Results on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...turn x=@n1*p on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? This equation has an infinite number of points where sin(x)=0. For example, sin(p)=0, sin(2p)=0, sin(3p)=0 and so on... The TI-89 family, TI-92 family, and Voyage 200 are showing that th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11870
Solution 11591: Correcting the Circular Definition Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... or program definition.For example, on the home screen: define f(x)=ln(ln(x)+x) (Done) f(x+1) simplifies to ln(ln(x+1)+x+2) (unexpected result!) To avoid this, functions and programs should be defined with argument variable names that WILL NOT be used as arguments during subsequent function or pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11591
Solution 15180: Replacing and Installing the Battery In a TI-15 Explorer™ Calculator.
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/15180
Solution 10441: Resolving ERROR 13 DIMENSION or ERROR 12 DIM MISMATCH Message on the TI-86.
...e erased, and the defaults will be reset. 1) Press [2nd] [MEM] 2) Choose [F3] 3) Select [F1] once more to choose ALL 4) Press [F4] to confirm this choice Please see the TI-86 guidebook for additional information. Solution 10441: Resolving ERROR 13 DIMENSION or ERROR 12 DIM MISMATCH Message on ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10441
Solution 14800: Replacing the Battery in a TI-1706 SV.
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/14800
Solution 12294: Replacing and Installing the Battery in a TI 34II Explorer Plus™.
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12294
Solution 31772: Performing One-Variable Statistics on the TI-34 MultiView™ and TI-30XS MultiView Calculators.
...t need to clear all existing data by pressing [data] [data]. Then, arrow down until '4:Clear ALL' is selected and press [enter]. 2) Input your data points under L1 by pressing [enter] after each point. 3) Press [2nd] [stat] and select '1:1-Var Stats'. 4) Select 'L1' next to DATA and select 'ON...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/31772
Solution 12262: Replacing and Installing the Battery in a TI-30X IIS.
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12262
Solution 10617: ERROR SINGULARITY Using the Equation Solver on the TI-85 and TI-86 When a Solution is Calculated Using the TI-89 Family.
...though an answer is given on the TI-89 family? "ERROR SINGULARITY" occurs when the SOLVER equation contains a singularity (a point at which the function is not defined). The difference between the software on the TI-89 family, TI-92 family and Voyage™ 200 and the TI-85 and...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10617
Solution 12256: Converting from Rectangular to Polar Coordinates Using the TI-30X IIS/B and TI-30XS MultiView™.
... highlight R◄►P. • Press [1] to paste R►Pr( on the screen. • Input the x-value of the rectangular coordinate, which is 4. • Press [2nd] [.] (decimal point) to insert a comma. • Input the y-value of the rectangular coordinate, which is 3. • Press [)] [enter] to display the results. The screen wil...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12256
Solution 12272: Computing One-Variable Statistics Using the TI-34.
...deviation for the data set: {45, 55, 55, 55, 60, 80}. • Press [MODE] [5] to enter the statistics mode. • Input 45, then press [Sigma +] to save the point. • Input 55, then [Sigma +]. • Input 55, then [Sigma +]. • Input 55, then [Sigma +]. • Input 60, then [Sigma +]. • Input 80, then [Sigma +]. •...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12272
Solution 35615: Replacing the Battery in a TI-36X Pro Scientific Calculator.
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/35615
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...t designed to be replaced. It is possible to replace the battery by removing the back case of the calculator, but opening the back of the calculator voids the one-year, limited warranty. This must be done carefully, as we cannot be held responsible for any damage caused when you attempt to replac...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/40317
Solution 12280: Calculating Standard Deviation on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™.
...d deviations. x = {1,2,3} 1) Press [2nd], [STAT], and then choose 1-VAR. 2) Press [DATA] and begin to enter the data as indicated. To input a data point, type the value and press [ENTER]. Press the down arrow key to move on to the next data point. Data points alternate between the x value, and ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12280