Solution 12165: The cFactor() function on The TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...3 • i ) • ( x + -3 • i ) The factors and their terms are sorted with var as the main variable. Similar powers of var are collected in each factor. Include var if factorization is needed with respect to only that variable and if the user is willing to accept irrational expressions in any other va...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12165
Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...Groebner elimination method is used to seek all solutions. Otherwise, a damped-Newton/steepest-descent method is used to seek an approximate solution close to the entered guess, which defaults to 0.0 for each component. Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Fami...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...ause of reasons 1-3 above, 00 = 1 is the value that makes sense. There are some who like to distinguish between the integer 0 and the real number 0, claiming that 00 = 1 when viewed as an operation on integers, but 00 is undefined when viewed as an operation on reals. Others prefer to let 00 = 1...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11818
Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.
... Knowledge Base Search How are strings used on the TI-89 Family, TI-92 Family, and Voyage 200? Strings are a sequence of characters enclosed in "quotes". Strings are used to enter and display text characters. Strings can be entered directly or stored to a string variable. In progr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12134
Solution 12096: Graphing a Step Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...-89 press [CATALOG]). 3) Press the [I] key to go to the "I" commands. 4) Scroll to the int( command and press [ENTER]. 5) Input X within the command, close the parenthesis and press [ENTER]. 6) Graph the function by pressing [GREEN DIAMOND] [R] (Use [GREEN DIAMOND] [F3] on the TI-89 Family). Pl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12096
Solution 12095: Finding Limits with Direction on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...alculators. Example: Find the limit of x/(x-3) as x approaches 3 from the left, right, and both sides. To find the limit command, please press [F3:Caclulus] and select [3:limit(]. From the left: limit(x/(x-3),x,3,-1) (-1 was arbitrarily chosen to specify the left direction. Any negative number ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12095
Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
... the program segment below the variable i is a local variable: : Local i : For i,0,5,1 : Disp i : EndFor : Disp i Please Note: The line "Local i" declares i as local. When a variable is declared as local, it is deleted automatically when the program stops so that it does not use memory. All l...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11813
Solution 15462: Integrating Lower and Upper Bounds of a Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...key] [e^] [(] [X] [^] [2] [)]• Enter a comma followed by the variable - [,] [X]• Input the lower and upper bound separated by a comma - [0] [,] [1] • Close the parentheses - [)] The screen should display: S(e^(X^2), X, 0, 1) Press [Enter] to integrate. The answer should be 1.46265174591. Please s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15462
Solution 14488: Rules for Variable Names on the TI-89 Titanium and Voyage™ 200.
...pply when naming variables on the TI-89 Titanium or Voyage 200: • A variable name can use 1 to 8 characters consisting of letters and digits. This includes Greek letters (but not p), accented letters, and international letters. Do not include spaces. The first character cannot be a digit. • Vari...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14488
Solution 14485: Modifying the History Area on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
... the [|] key. 2) Press the right arrow key. 3) Use the up or down arrow keys to highlight the new number of pairs desired. • Press [ENTER] twice. 2. Clearing the history area and deleting all saved pairs: 1) From the Calc Home screen, press [F1]. 2) Select 8:Clear Home or enter ClrHome on the e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14485
Solution 14289: Backing Up the Memory of a TI-73 Family Calculator by Saving to Another TI-73 Family Model.
... Knowledge Base Search How do I back up the memory from one TI-73 or TI-73 Explorer to another? The TI-73 family calculator includes two types of memory: RAM (Random Access Memory) and F-ROM (Flash Read Only Memory). RAM includes all lists, programs, variables and equation...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14289
Solution 12061: Calculating Logs on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...d in the [CATALOG] menu. To access this function: • Press [CATALOG] [L]. • Scroll to log( , press [ENTER]. • Input the value. • Close the parentheses and press [ENTER]. The 3.10 OS for the TI-89 Titanium and Voyage 200 has a built in log function. In order to use this fun...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12061
Solution 11806: Creating and Evaluating User-Defined Functions on the TI-89 Family, TI-92 Family and Voyage™ 200.
... to the function. Functions can be created using one of the following methods: 1. Using the [STO->] key. Store an expression to a function name, including the argument list. Example: To define the function xpower(x,y)=x^2+y^2 1) Input x^2+y^2 in the entry line. 2) Press the [STO->] key. 3) I...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11806
Solution 12136: Factoring an Expression on the TI-89 Family and Voyage 200 Graphing Calculators.
...s 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 multiplication symbol when mu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12136
Solution 11869: Performing Unit Conversions On The TI-89 Family,TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ts on the TI-89 family,TI-92 family, and Voyage 200 graphing calculators? It is possible to convert from one unit to another in the same category, including user-defined units. For example, to convert 4 light years to kilometers: • Enter 4 • Press [2nd][3] to access the UNITS menu (On Voyage ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11869
Solution 12133: Entering a List on the Home Screen using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...e entered by pressing [1] [,] [2] [,]. Continue until all 4 values are entered. There should be no comma after the final value. 4) Press [2nd] [}] to close off the list. 5) Press [STO>] then input the name for the list, in this case test. 6) Press [ENTER]. The calculator will confirm the entry ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12133
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ivides 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 primes plus a few extra harmless composites. TI-92 Plus a...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.
...ratch sheet of paper.For this example, the intersection points will come out to be (-3,-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( c...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.
...ge 200? The factor() function returns the rational number factored into primes and a residual having prime factors that exceed 65521. The methods include the well-known factorizations of binomials and quadratics, together with methods described by Geddes, Czapor and Labahn, "Algorithms for Co...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11863
Solution 11861: The d() Function Algorithm on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...x for this function is: For an Expression: d(expression, var [,order])For a List: d(list,var [,order])For a Matrix: d(matrix,var [,order])Order, if included, must be an integer. If the order is less than zero, the result will be an antiderivative.Please see the TI-89 family, TI-92 family and Voya...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.
... is different in its use and provide a unique advantage. Use the Loop..EndLoop when the number of times needs to be repeated is not known. It must include an exit condition allowing to leave the loop. The program will repeat the loop until the condition is met. It will then exit and execute the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11734
Solution 11786: Running a Program on the TI-89 Family, TI-92 Plus or Voyage™ 200 Graphing Calculators.
...me of the program onto the HOME screen. 5) Notice that the name of the program is now on the HOME screen with an open parenthesis [ ( ]. 6) Press the closed parenthesis key [ ) ]. The calculator screen should display: 7) Press [ENTER] to start the program. Please see the TI-89 family, TI-92 fami...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11786
Solution 12116: Calculating Weighted Mean Using the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...below for calculating weighted mean using the TI-89 family, TI-92 Plus and Voyage 200 graphing calculators. Example : Suppose a student's grade in a class is determined as follows: 65% is from the test mean, 25% is from the final exam, and 10% is from homework. If the student's test mean is 87 a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12116
Solution 10349: Calculation Method Used by the Polynomial Root Finder on the TI-85 and TI-86.
... This has the advantage of giving real and complex roots in one straightforward operation even for high order polynomials. This does not imply that a closed form solution for roots of polynomials of order 5 and greater has been found. The QR method for computing the eigenvalues is an iterative te...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10349
Solution 10352: Inputting Complex Numbers on the TI-85 or TI-86 Graphing Calculators.
...be input using [(] [2] [<,] [5] [)])Please see the TI-85 and TI-86 guidebooks for additional information. {"commands":[{"click":"chrome:field:editcontrol({command:\"webedit:editlink\"})","header":"Edit link","icon":"/temp/iconcache/networkv2/16x16/link_edit.png","disa...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10352