Solution 12650: Calculating Trigonometric Functions on the TI-81.
...(.86602....) in degrees to enter this press the [COS] key and then enter 30. 7) Next press the [ENTER] key. 8) Tangent of 30 degrees is equal to (.57735.....) in degrees to enter this press the [TAN] key and then enter 30. 9) Next press the [ENTER] key. For Radians: 1) Press the [MODE] key then p...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 12184: Algorithm for the Exec Command on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...guage program. If needed, the optional expressions enable users to pass one or more arguments to the program.It is recommended that a backup of programs and data are created prior to usage of this command.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional informati...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12184
Solution 11831: Correcting an Address Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...or on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? Address Errors are caused by the use of 3rd party or shell operating systems that are not functional on a TI calculator. This is also related to the utilization of an address that is reserved for TI OS or TI Apps/programs...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11831
Solution 14291: Performing Cosecant, Cotangent and Cosine Functions on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...o the examples provided below: Example 1: Inputting cos(60)will return the result of 0.5. Example 2: Inputting cot(60)will return the result of 0.577335. Example 3: Inputting csc(60) will return the result of 1.1547. Please Note: The results provided above are based on the calculator being in DEG...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14291
Solution 12165: The cFactor() function on The TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...rn a • ( a^2 + 1 ) • ( x + - i ) • ( x + i ) 2. cFactor( x ^ 2 + 3, x ) [ENTER] will return ( x + 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 respec...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12165
Solution 15468: Unlocking a Program on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... Knowledge Base Search How can I unlock a program on the TI-89 Family, TI-92 Family, and Voyage 200? Program authors usually lock programs to prevent access or modification to the existing programming code. However, a program can be unlocked on the TI-89 Family, TI-92 Family and Voy...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15468
Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
..., TI-92 family, or Voyage 200? While this was considered a domain error on TI-85, TI-83, and TI-82, there are a number of reasons that algebra problems are handled reasonably with the identity 00=1. 1. Apply the binomial theorem: 00 = (1-1)0 = binomial(0,0) * 10 * (-1)0 = 1. 2. Apply the defi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11818
Solution 11815: Finding a Maximum or Minimum of a Function on a TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
...e. 9) Press [ENTER].The value of the maximum (the vertex) is then displayed on the screen. The steps above are the same used when calculating minimums, zeros, inflections, and intersections. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solutio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11815
Solution 11814: Sorting Columns in a Data, List, or Matrix Variable Using the TI-89 Family, TI-92 Plus, or Voyage™ 200.
...mn would destroy the relationship between the columns. Follow the procedure below to sort the entire database: X list = {beth, ann, gary} Y list = {sims, mead, smith} Z list = {24, 17, 28} • Access the Data/Matrix Editor. If the Apps Desktop is active, press [APPS] and select the "Data/Matrix Ed...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11814
Solution 15320: Performing Order of Magnitude on the TI-86 Graphing Calculator.
...er of magnitude of a number is the number of powers of 10 contained in the number. Generally, the order of magnitude of a number can be defined in terms of the decimal logarithm, usually as the integer part of the logarithm.For example, 4,000,000 has a logarithm of 6.602. Its order of magnitude i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15320
Solution 11842: Algorithm Used for Symbolic Integration Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Decade", Communications of the ACM, August 1971, Volume 14, Number 8, pp. 548-559. Antiderivatives are NOT computed by any of the Risch-type algorithms. Definite integrals are determined by subdividing the interval at detected singularities, then for each interval, computing the difference of th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11842
Solution 14289: Backing Up the Memory of a TI-73 Family Calculator by Saving to Another TI-73 Family Model.
...he 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 equations. F-ROM includes software applications (APPS), such as the CBL/CBR APP. The instructions below display how to back up th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14289
Solution 11806: Creating and Evaluating User-Defined Functions on the TI-89 Family, TI-92 Family and Voyage™ 200.
...rules as variable names. When defining functions, use unique names for arguments that will not be used in arguments for subsequent functions or programs. In the argument list, be sure to use the same arguments that are used in the definition. Arguments are placeholders that represent whatever va...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11806
Solution 12101: Limit() Function Returns Unexpected Answers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...e or unremovable singularities. It is suggested to avoid floating-point constants and APPROXIMATE mode when using the limit() function. Try all problems in EXACT or AUTO mode for better results.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Soluti...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12101
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...aphing Calculator products Knowledge Base Knowledge Base Search What is the is Prime() algorithm? The algorithms used by the TI-89 family, TI-92 family, and Voyage 200 calculators divides by successive primes through the largest one less than 216. It does...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11865
Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e 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 factorization. (Press et...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.
...ch How can I generate the Fibonacci sequence on the on the TI-89 family, TI-92 Plus and Voyage 200? In a Fibonacci sequence the first two terms are 1 and 1. Each succeeding term is the sum of the two immediately preceding terms.Follow the procedure below to generate the Fibonacci sequenc...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.
...ariable. 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 sums, products, sinusoids, etc. The syntax for this function is: For an Expression: d(expression, var [,order])For a List: d(list,var [,order])For a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11861
Solution 11843: Limit() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ge Base Search How are limits calculated on the TI-89 Family, TI-92 Family, and Voyage 200 graphing calculators? Limits of indeterminate forms are computed by series expansions, algebraic transformations and repeated use of L'Hopital's rule when all else fails. Limits of determinate for...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11843
Solution 10409: Activating the Finance or the Advanced Statistics Program on the TI-86.
...e Search How can I activate the 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 Advanc...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10409
Solution 10404: Table Feature on the TI-85.
... have a built-in table feature. However, this feature can be added through a user-defined program. Texas Instruments does not directly provide programs, although you may be able to locate a third-party program by conducting a web search.For instructions on using each specific program, refer to ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10404
Solution 12062: Calculating Median-Median Regression Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...dian regression for a given set of data using the TI-89 family, TI-92 family, and Voyage 200. Data for this example: X values = {5, 9, 20, 25, 30, 35, 41} Y values = {4, 31, 42, 39, 20, 55, 73} Solution: 1) Press [APPS] [6] [3] (If the Apps Desktop is on, press [APPS], select "Data/Matrix Ed...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12062
Solution 12760: Preventing the Loss of Applications on the TI-89 Titanium and Voyage™ 200 Graphing Calculators With OS v3.xx.
...es within brands) of batteries. 5) Do not mix rechargeable and non-rechargeable batteries. 6) Install batteries according to polarity (+ and -) diagrams. 7) Properly dispose of used batteries immediately. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional informati...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12760
Solution 10397: Calculating One-variable Statistics on the TI-85.
...e TI-85? The example below will demonstrate how to calculate one-variable statistics on the TI-85.Data for this example:x values={5, 9, 7, 4, 6, 250, 35, 100, 84} Clear the screen then press [STAT] [F2] [F1] [ENTER] [ENTER] The cursor will display after x1 = Enter the values after "x1 ="...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10397
Solution 24652: The Stefan-Boltzmann Constant Not Displaying as Listed in the TI-89 Family, TI-92 Family, or Voyage™ 200 Guidebook.
...ly as listed in the guidebook is because of its simplification algorithm. The calculator will always try to simplify the units entered to simplest terms. For example entering an a calculation of 5 hours added to 2 minutes will give an answer in lowest terms which is 18120 seconds. That is what ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/24652