Solution 11806: Creating and Evaluating User-Defined Functions on the TI-89 Family, TI-92 Family and Voyage™ 200.
...n the repetition of the same expression is needed multiple times, but with different values. User-defined functions can also extend the calculator capabilities beyond the built-in functions. Function names follow the same rules as variable names. When defining functions, use unique names for arg...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11806
Solution 12043: Archiving a Program on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...LINK menu: • Press [2nd] [VAR-LINK] to access the menu. • Highlight the name of the program to archive. • Press [F1] and highlight 8:Archive Variable. • Press [ENTER] to confirm the decision. Note: Archiving a program stores it to a safe location so that it cannot be edited or deleted. Arc...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12043
Solution 12097: Graphing Multiple Functions from the Home Screen on the TI-89 Family, TI-92 Family, or Voyage 200™ Graphing Calculators.
... using the Store and Graph commands. For example, to graph y=x, y=2x, y=3x from the home screen, Store the functions that will be graphed to a variable {x, 2x, 3x}->glist(x) Use the graph command to graph the variable graph glist(x) Please see the TI-89 family, TI-92 family and Voyag...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12097
Solution 12042: Algorithm for Summation on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e 200 graphing calculators. The syntax for the å ( function, which is accessed by pressing [2nd] [MATH] [B] [4], is as follows: å(expression, variable, lower limit, upper limit) Example: To find the sum of the sequence of 2x as x goes from 1 to 5, input the problem as follows: å(2^x,x,1,5...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12042
Solution 12136: Factoring an Expression on the TI-89 Family and Voyage 200 Graphing Calculators.
...he factor() command is factor(expression)For Example: factor(x^2-6x+5) Some good practices when factoring expressions:1) Delete all one-character variables by pressing F6:Clean Up ([2nd] [F1] on the TI-89 family), selecting 1:Clear a-z..., and pressing [ENTER] [ENTER].2) Always input the multipli...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12136
Solution 11769: Graphing Coordinates Using the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
...on and press [ENTER].2) Using the arrow keys, highlight 3:New and press [ENTER]. Select Data for the Type and select main for the Folder. Next to Variable, type in a name for the data list (the name cannot exceed 8 characters) and press [ENTER] twice.3) Under c1, type in all the X-values (2,3,4)....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11769
Solution 12098: Graphing Piecewise Functions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...use the With command ( | ). This command is used to separate the function and condition. Using the TI-89 family calculator, the With command is found above the [EE] key. Using the TI-92 family and Voyage 200 calculator, press [2nd] [K]. Piecewise functions are entered as follows:Y = expression | ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12098
Solution 11868: Certain Polar Values Not Computed on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...mily calculator using operating system version 2.09 took 45 minutes to return this answer. The approximate answer (103.416 < 27.1821) is generated in about 1 second. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 11868: Certain Polar Valu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11868
Solution 12101: Limit() Function Returns Unexpected Answers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...age 200 graphing calculators? The limit() function is very sensitive to round off errors in floating point (decimal) numbers -- especially near removable or unremovable singularities. It is suggested to avoid floating-point constants and APPROXIMATE mode when using the limit() function. Try all ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12101
Solution 11756: Finding the Sum, Difference, and Product of Two or More Matrices on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...[ENTER], then press [3]. 2) Set the type to Matrix, the name to "A" and the dimensions to 2 rows and 2 columns. 3) Press [ENTER] twice. 4) Input the above elements for matrix A into the Data/Matrix Editor screen, pressing [ENTER] after inputting each value. 5) Press [F1] [3] and set the type to ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11756
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... family, TI-92 family, and Voyage 200 calculators divides by successive primes through the largest one less than 216. It does not actually keep a table or use a sieve to create these divisors, but cyclically adds the sequence of increments 2, 2, 4, 2, 4, 2, 4, 6, 2, 6 to generate these prime...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11865
Solution 11753: Finding the Area Between Two Curves on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...9) and (4,5).• Press [HOME] to go to the Home screen.• Press [CLEAR] to clear the entry line, if necessary.• Press [2nd] [MATH] [1] [2] to insert the abs( command.• Press [F3] [ALPHA] [B] to insert the nInt( command.• Input y1(x)-y2(x),x, -3, 4)).• Press [ENTER]. The calculator will display 57.16...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11753
Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...xceed 65521. The methods include the well-known factorizations of binomials and quadratics, together with methods described by Geddes, Czapor and Labahn, "Algorithms for Computer Algebra", Kluwer Academic Publishers, Boston, 1992. Laguerre's method is used for approximate polynomial factoriz...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11863
Solution 11747: Entering the Fibonacci Sequence on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...n-1)+u1(n-2)• Press [ENTER]• Enter ui1={1,1}• Press [ENTER]• Press [Diamond] [TBLSET]• Set the parameters to tblStart=1 and Dtbl=1• Press [Diamond] [TABLE] and the Fibonacci sequence will be displayed in column 2 (u1) Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11747
Solution 11861: The d() Function Algorithm on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... What is the d() (symbolic differentiate) function algorithm? The d() function returns the first derivative of an expression with respect to a variable. The expression can be a list or a matrix. This function uses the chain rule together with the well-known formulas for the derivatives of su...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11861
Solution 11734: Creating Repetition in a TI Basic Program on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Program segment example: :... :0->tempsum :0->step :For i,1,100,step :tempsum+i->tempsum :EndFor :Disp tempsum :... Please Note: After the segment above executes, the content of the variable tempsum is 5050. Use the While...EndWhile when testing the condition is important. The block will exec...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11734
Solution 11789: Solving Quadratic Equations using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...the solve() command on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators. The syntax of the solve() command is solve(equation,variable), which returns the returns real solutions of the equation for the variable. Please Note: Use cSolve() for functions with complex results. Ex...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11789
Solution 10586: Temperature Unit R on the TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ature does R denote on the TI-85, TI-86, TI-89 family, TI-92 family, and Voyage 200? R is used to denote Rankine, which is an absolute temperature measurement in English units. Rankine is to Fahrenheit as Kelvin is to Celsius. 1 Rankine= -458.67° Fahrenheit Please see th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10586
Solution 12116: Calculating Weighted Mean Using the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...9 family, TI-92 Plus or Voyage 200 graphing calculator? Weighted mean is the mean of a data set whose entries have varying weights. This is a one variable statistical calculation involving 2 lists. Refer to the example below for calculating weighted mean using the TI-89 family, TI-92 Plus and Voy...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12116
Solution 12115: Calculating the Transpose of a Matrix using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ss the [ENTER] key. (If your Apps Desktop is turned off, press [APPS][6][3] and skip the next step) 2) Choose option 3:New... 3) To create the matrix above, the Type: will be Matrix, the Variable: name is A, and the row and column dimensions are both 2. 4) Press [ENTER] twice. 5) Input the va...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12115
Solution 10580: Finding the Area Below a Function Using a TI-86.
...n can be used. The FnInt function, which finds a numerical approximation for a definite integral, uses the following syntax: FnInt(expression, variable name, lower limit, upper limit) NOTE: To access this function, press [2nd] [CALC] [F5]. Example: What is the area under the function y = 2 - ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10580
Solution 10352: Inputting Complex Numbers on the TI-85 or TI-86 Graphing Calculators.
...:[{"click":"chrome:field:editcontrol({command:\"webedit:editlink\"})","header":"Edit link","icon":"/temp/iconcache/networkv2/16x16/link_edit.png","disabledIcon":"/temp/link_edit_disabled16x16.png","isDivider":false,"tooltip":"Edits the link destination and appearance","type":""},{"click":"chrome:...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10352
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...,15], the function returns the root at x = 8/3, even when the cursor is pointed to the root at x = -1. Prior to getting into the routine described above, the solver attempts through some heuristics to get two "good" end points to start with. The guess provided is one of these, the other depe...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 12109: Accuracy Information for the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...putational Accuracy • Floating-point (decimal) values in memory are stored using up to 14 digits with a 3-digit exponent.• For min and max Window variables (xmin, xmax, ymin, ymax, etc.), values using up to 12 digits can be stored. Other window variables use 14 digits.• When a floating-point valu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12109
Solution 10409: Activating the Finance or the Advanced Statistics Program on the TI-86.
... Finance or the Advanced Statistics Program on the TI-86? Texas Instruments no longer directly provides programs for graphing calculators. You may be able to locate the programs using a web search. After downloading and installing the Finance or the Advanced Statistics application on the TI-86, ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10409