Solution 19849: Error "Invalid input" When Naming a Column with the Same Name as a Stored Variable on the TI-Nspire™ Family.
...he TI-Nspire family handheld display the error "Invalid input" when naming a column with the same name as a stored variable? The Lists & Spreadsheets application on the TI-Nspire family handheld allows the user to 'name' a column, thereby associating its contents with the chosen name. If the name...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/19849
Solution 31552: Creating a Function Table Using the TI-36X Pro.
...se the 'X = ?', you may now enter values for X and press [enter] to see the corresponding value. After searching close to x = 18, the point (18, 324) appears to be the vertex of the parabola since it appears to be the turning point of the set of points of this function. To search closer to x = 18...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31552
Solution 34885: Displaying a Single Value in a List on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...xample, if you want to display the 2nd value of the list L1, you would enter in L1(2). 4) Press [ENTER]. Please Note: If you get the error message "Invalid Dim" when trying to find the value, make sure that the list has the value you are trying to find and you are not mistyping the name of the l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34885
Solution 34926: Functionality of the Function Keys [F1 - F5] on the TI-84 Plus Family of Graphing Calculators.
...ortcut menu for commonly used functions. F1 will open a shortcut for common fraction operations. These include: creating fractions, mixed numbers, converting fractions to mixed numbers, and converting fractions to decimals. F2 will open a shortcut for common math operations. These include: abso...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34926
Solution 34538: Calculating Standard Deviation on the TI-83 Plus and TI-84 Plus Family.
...dard deviation on my TI-83 Plus and TI-84 Plus Family? Solution 34538: Calculating Standard Deviation on the TI-83 Family andTI-84 Plus Family of Graphing Calculators. Video tutorials StdDev() using one list An example tutorial on a TI-84 Plus CE graphing calculat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34538
Solution 34498: Causes of a Singular Matrix Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...aphing calculators? The message "ERROR:SINGULAR MATRIX" may be the result of one of two possible things. The first reason is an attempt to take the inverse of a matrix for which the determinant is zero. A second possible cause for this error message is if the coordinates provided are only from a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34498
Solution 34425: Entering Measured Angles in Gradients on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators
...grads = angle in degree * (400/360) Angle in degree = angle in grads * (360/400) A simple work around is to stay in radian mode and to define two conversion constants: 400/(2p) → R 2pi/400 → G Which can be used as sin(20G) in order to calculate the sine of 20 grads sin-1(0.9)R in order to cal...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34425
Solution 34812: Percent (%) Operator on the TI-83 Plus and TI-84 Plus Family.
...I-84 Plus Family use the percent operator (%)? The TI-83 Plus and TI-84 Plus Family does not include a percent operator (%). Therefore, in order to convert a number to a percentage, simply divide that number by 100. Likewise, to convert a percentage to a number, multiply that number by 100. The f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34812
Solution 40452: Performing Vector Calculations in Polar Form on the TI-84 Plus CE.
... solution in Polar form. • Press [CLEAR] to return to the home screen Example: Add 12∠40° + 30∠67° • Press [1] [2] [2ND] [ln] • Press [4] [0] [2ND] [apps] [1] • Press [2ND] [.] [►] • Press [+] • Press [3] [0] • Press [2ND] [ln] • Press [6] [7] [2ND] [apps] [1] • Press [2ND] [.] [►] • Press [EN...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/40452
Solution 12210: Modified Internal Rate Of Return (MIRR) On Texas Instruments Graphing Calculators.
... of Return (MIRR) be calculated on TI graphing calculators? The Modified Internal Rate of Return (MIRR) calculates the Internal Rate of Return of an investment based on a series of cash flows, a discount rate, and a reinvestment rate. This feature is ONLY available on the below TI graphing calcu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12210
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...ution. To get around this problem, a technique is needed to solve the set of four simultaneous non-linear equations. Sine regression uses the Newton-Raphson technique, which produces a recursion relationship by linearizing the equations. This allows one to iteratively refine the initial parameter...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 36983: Problems when sending invalid files accompanied with valid files at one time in TI-Connect CE™ on Windows®.
...on Windows®. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search What problems will I have when sending invalid files accompanied with valid fi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36983
Solution 11758: Functionality of the Function Keys [F1 - F5] on the TI-83 Family, TI-89 Family, TI-92 Family and Voyage™ 200.
...y of products Knowledge Base Knowledge Base Search What purpose do the function keys [F1 - F5] serve on my graphing calculator and how are they used? The function keys [F1 - F5] are used to access certain menus and commands. Some calculator software appli...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11758
Solution 34921: Graphing a Vector on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... using a STAT PLOT. To do this, follow the example below: Example: Graph a vector that has a magnitude of 5 units with the direction 30 degrees. To convert the vector to rectangular coordinates: 1) Press [MODE] and make sure that the DEGREE mode is selected. If DEGREE is not selected, scroll down...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34921
Solution 34919: Calculating the Present Value of a Perpetuity (Infinite Annuity) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...y are called perpetuities or infinite annuities. Since these units do not have a way to specify an infinite number of periods for N, the calculation involves the fact that the present value of a cash flow far enough into the future is going to be approximately $0. This means that futuristically t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34919
Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81.
...mal Numbers Into Fractions on the TI-81. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search Can the TI-81 convert decimal numbers into ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12653
Solution 12652: Decimal Degrees (DD) to Degrees, Minutes, Seconds (DMS) Conversions on the TI-81.
... Seconds (DMS) Conversions on the TI-81. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How do I perform decimal degrees (DD) to de...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12652
Solution 10420: Correcting the Error "Cannot Transfer. The File Format is Invalid" When Sending the Advanced Statistics Program to the TI-86
...Advanced Statistics Program to the TI-86 website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How can I correct the error, "Cannot transf...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10420
Solution 13160: Files That Can Be Converted Using the TI-Reader Converter Software.
... Using the TI-Reader Converter Software. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search Files That Can Be Converted Using the TI-Read...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13160
Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...9 Family, TI-92 Family, and Voyage™ 200. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How are strings used on the TI-89 Family, T...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12134
Solution 12058: Fractions with the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ons on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The TI-89 family, TI-92 Family, and Voyage 200 will perform calculations involving fractions. However, the unit returns fractional results in the form of an improper fraction. Use propFrac() function to return an improper...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12058
Solution 11868: Certain Polar Values Not Computed on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...omputed results for complex polar values in EXACT or AUTO modes. These calculators internally compute expressions in rectangular form that are then converted into polar form. Converting a very complicated expression in rectangular form to polar form while the calculator is in EXACT or AUTO mode c...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11868
Solution 10349: Calculation Method Used by the Polynomial Root Finder on the TI-85 and TI-86.
...mial Root Finder on the TI-85 and TI-86. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search What calculation method is used by the poly...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10349
Solution 10453: Designing an Ellipse Using the Geometry Section of the TI-92.
...Using the Geometry Section of the TI-92. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How do I design an ellipse using the Geomet...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10453
Solution 10400: Calculating the Inverse Sine of 2 Using the TI-85.
...g the Inverse Sine of 2 Using the TI-85. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search Why does the TI-85 return an answer for the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10400