Solution 10583: Inverse or Reciprocal Function on the TI-86.
...type in the number, press [2nd][EE], and then press [ENTER]. The inverse will be shown as long as the number does not equal 0. If the number, real or complex, equals 0 the ERROR 02 DIV BY ZERO will be returned. To take the inverse of a list, type in the list name, press [2nd][EE], and then press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10583
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...the function evaluates to about -3E-13 (-12.5 on the graph). However, in the range of about +/- 2E-7 either side of x=-1, the function evaluation becomes erratic, with exact zero evaluations where pixels are blank and evaluations with positive sign at the top of the graph. The width of this e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 12791: Using a Function that Needs an Integer as an Argument in Approximate Mode using the TI-89 family, TI-92 Plus and Voyage™ 200.
...n integer as an argument in approximate mode on the TI-89 family, TI-92 Plus and Voyage 200? Use the function that needs an integer as an argument in combination with the exact() function to get the desired argument.For example: The checkTmr( function. The function checkTmr takes an integer as an...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12791
Solution 10427: Finding the Limit of a Function Using the TI-86 Graphing Calculator.
... How do I find the limit of a function using the TI-86? To find the limit of a function on the TI-86, it must first be graphed in the interval comprising the given value the function approaches. Then, use the table feature to display values that surround the given value. In the table setup...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10427
Solution 19149: Using Folders on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...iables in the MAIN folder are always directly accessible, regardless of the current folder. Creating a Folder from the Home Screen: Enter the NewFold command. The syntax for this command is: NewFold folderName ¬ The folder Name to create. This new folder is set automatically as the current fold...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19149
Solution 10416: Calculating the Derivative of a Function Using the TI-85 or TI-86.
... the [F2] key to select nDer (numerical derivative). This will paste nDer( on the HOME screen.• Type in the example function, x^2 + 2x + 4.• Insert a comma by pressing the [,] key.• Type in the variable x by pressing the [x-VAR] key.• Insert a comma by pressing the [,] key.• Type in the number 2 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10416
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...t allow a step size to be entered; it always uses the default value of 1. However, if a different step size is required (such as for Riemann sums), a combination of both the sum( ) and seq( ) functions can be used in order to do this. Both functions are accessed by pressing [2nd] [MATH] [3] from ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 11751: Finding Critical Points Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ates how to use the differentiate and solve functions to find critical points. Example: Find the critical points using the solver and differentiation commands on the home screen for the following function: f(x)= x^3+x^2-5x-5 The first step to finding the critical points is to differentiate the ab...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11751
Solution 11739: Displaying Radicals and Imaginary Numbers in the Solutions Using the TI-89 Family, TI-92 Plus and Voyage™ 200.
... How do I get radicals and imaginary numbers to appear in my solutions using the TI-89 family, TI-92 Plus and Voyage 200? Due to the built-in Computer Algebra System or CAS, the TI-89 family, TI-92 Plus and Voyage 200 can display radicals and imaginary numbers in the calculated solution. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11739
Solution 30350: Using the Two-Graph Mode on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...unctions: • Graph modes (Function, Polar, etc). Other modes such as Angle, Display Digits,etc., are shared and affect both graphs. • The Y= Editor is completely independent only when the two sides use different graphing modes. However, the both graphs share common function and stat plot definitio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30350
Solution 12784: Use of the Max() Function on the TI-89 family, TI-92 Plus, and Voyage™ 200.
...ments are two lists or matrices, it returns a list or matrix containing the maximum value of each pair of corresponding elements. The syntax for this command is max(expression, expression), max(list1, list2) or max(matrix 1, matrix 2). For example: Please see the TI-89 family, TI-92 family ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12784
Solution 11968: Integer Division on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...92 family, and Voyage 200 do not have an integer division function that would return the quotient and remainder of a division of integers. However, a combination of the normal division and the remain( ) function can be used to calculate both the quotient and remainder. For example, the division ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11968
Solution 32811: Using the Ceiling() Function on the TI-Nspire™ Family Products.
...family products? The ceiling() function returns the nearest integer that is greater than or equal to its argument. The argument can be a real number, complex number, list, or matrix.To perform this function, please see the examples listed below.Example 1: Using an Integer (0.456):1) Press [home]....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/32811
Solution 29130: Calculating and Graphing Quadratic Regressions Using the TI-73 Family Calculator.
...lculator? To calculate and graph quadratic regressions using the TI-73 family calculator, follow the example below. Please Note: Texas Instruments recommends all TI-73 family users update the calculator to the latest operating system. More information on the latest operating system can be found ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/29130
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
...main differences between the TI-86 and the TI-89 family graphing calculators? The TI-86, being a discontinued calculator, has a number of different recommended replacements. For engineering and AP courses, the TI-89 Titanium and TI-Nspire CX II CAS are the recommended substitutes. For general m...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 10465: Simplifications Running Slow on the TI-92 Family
... fractional powers, and cancellation of hidden factors between non-numeric numerators and denominators. In some cases, intermediate expressions can become quite large despite modest inputs and final results. If a problem is taking an unacceptable amount of time: • Try using a different mode, su...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10465
Solution 13882: Calculating Logs With Different Bases on the TI-89 Titanium and Voyage™ 200 with OS v3.10.
...s to other bases on my TI-89 Titanium or Voyage 200 with OS v3.10 installed? OS v3.10 increases the ability of the TI-89 Titanium and Voyage 200 CAS (Computer Algebra System) to use the built in log feature for calculating log of bases other than 10. Please refer to the examples provided below. E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13882
Solution 19469: Availability of the TI-86.
...e at limited retailers while supplies last. For engineering or AP courses, consider either the TI-89 Titanium or the TI-Nspire CX II CAS as a substitute for the TI-86. For general math and science classes, consider either the TI-84 Family or the TI-Nspire CX II as a substitute for the TI-86. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/19469
Solution 11844: Resetting the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...m Archive. This will not delete any Variables from RAM. • All Memory - Clears everything from RAM and Archive, leaving only the Calculator OS and its components. For example, if the user would like to reset All RAM, press [2nd] [6] [F1] [1] [1] [ENTER] [ENTER]. Please see the TI-89 Family, TI-92 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11844
Solution 11380: Engineering Applications for the TI-89 Family and Voyage™ 200 Graphing Calculators.
...eering-related Calculator Software Applications (Apps) for the Voyage 200, TI-89, and TI-89 Titanium graphing calculators: ME*Pro® App Helps solve a comprehensive set of equations used by mechanical engineering students and professionals. With a power browser engine and unit manager, it handles ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11380
Solution 10939: Calculator Options for Individuals with Visual Impairments or Low Vision.
...th visual impairments or low vision? Solutions for individuals with visual impairments may depend on the type of visual impairment that needs to be accommodated: blindness, low vision, or color blindness. The following solutions may make it possible for students with visual impairments to use the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10939
Solution 31871: Polar and Rectangular Conversions on the TI-36X Pro.
...ngular conversions on the TI-36X Pro: Example: Polar to Rectangular Convert the polar coordinates (5,30) to rectangular. 1) Input 5 and press [2nd] [complex] 2) Select 1: Ð and press [enter] 3) Input 30 4) Press [enter] The answer displayed is: 4.33 + 2.50i Example: Rectangular to Polar Convert...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/31871
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®.
... unit has lost its operating system. In general, this situation only occurs as the result of interrupting the transfer of the operating system from a computer or another calculator once it has begun.To correct the situation, remove one triple A battery, re-insert it and then press the letter I (t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12089
Solution 12072: Troubleshooting an ER_throw Error Message on the TI-89 Family, TI-92 Family or Voyage™ 200 Graphing Calculators.
...cedure• Press and hold the [2nd] key and the [hand] key.• While holding these keys, press and release the [ON] key.The calculator will flash off then come back on.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 12072: Troubleshooting an ER...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12072
Solution 17009: Replacing the Battery In a TI-1795 SV.
...nd replace the screws. 5) Turn the unit on. The calculator should now function properly. Safety precautions: 1) Avoid contact with other calculator components while changing the battery. 2) Properly dispose of the used battery immediately. 3) Do not leave batteries within the reach of childre...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/17009