Solution 12198: TI Graphing Calculators Not Allowed on the National Council of Examiners for Engineering and Surveying (NCEES) Exams.
...ors are no longer permitted for use on my NCEES exam? National Council of Examiners for Engineering and Surveying NCEES has enforced an existing policy that began with the April 2004 test administration. Currently, the board has specified that TI-30X and TI-36X models are approved and that any T...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12198
Solution 11928: Calculating One-variable Statistics with Frequencies using a TI-83 Plus Family of Graphing Calculators.
...ta: • To enter the STAT edit menu press the [STAT] key and then press the [ 1 ] key. • Enter the data for xList in the L1 {3,5,8,10} and Frequency list in L2 {7,2,3,1} pressing [ENTER] after each entry to move to the next line. • Press the [2nd] key then the [QUIT] key to leave the edi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11928
Solution 34416: Calculating One-variable Statistics with Frequencies using a TI-84 Plus Family of Graphing Calculators.
...data: 1) To enter the STAT edit menu press the [STAT] key and then press the [ 1 ] key. 2) Enter the data for xList in the L1 {3,5,8,10} and Frequency list in L2 {7,2,3,1} pressing [ENTER] after each entry to move to the next line. 3) Press the [2nd] key then the [QUIT] key to leave the edito...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34416
Solution 34498: Causes of a Singular Matrix Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e 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 single cycle of the sine wave. A minimum of two points from two cycles of the sine wave are needed to generate an answer. Example: Matrix A, shown below...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34498
Solution 34651: Graphing Histograms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...us family of graphing calculators? The following example will demonstrate how to graph a histogram. Data for this example: xStat: {2,4,6,8} frequency: {7,8,4,9} Enter the data: 1) Press [stat] [5] [enter] to run the 5:SetupEditor command which will restore default lists 2) Press [stat] [1] ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34651
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
... and TI-95 which used polynomial approximations. In the PC world, the popular Intel math co-processors like the 8087 use CORDIC methods, while the Cyrix 83D87 uses polynomial methods. There are pros and cons to both methods. References 1 and 2 give some information on these devices but not d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...sing one of two techniques depending on the information provided by the user. The simplest case is when the user provides a period guess, p. A frequency guess can be obtained from the period using the relation:b = 2*p/pGiven a frequency, the non-linear parameter estimation problem can be reformul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 12649: Calculating One-variable Statistics on the TI-81.
...y after the x1 = • Enter the x-values after "x1 =" Press [8] [7] [ENTER] [1] [ENTER] [5] [2] [ENTER] [1] [ENTER] and so on...(note:"y1" is the frequency and should be set at "1" in this case.) • Press [2nd] [CLEAR] [2nd] [MATRX] [ENTER] [ENTER] The one-variable statistics will be displayed Solut...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12649
Solution 10417: Calculating Two-Variable Statistics on the TI-86
...the TI-86:1) Enter STAT mode by pressing [2nd] [STAT]. 2) Press [F2] to select Edit. 3) Enter the data in the xStat and yStat lists. (Note: a frequency list, fStat, can be used to save data entry time. For this example, the frequency of each answer is 1, so clear the fStat list and leave it b...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing 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 primes plus a few extra harmless composites. TI-92 Plus...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11865
Solution 12130: Difference Between the FIX and FLOAT Display Digits Mode Settings on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...lected digits.Note: Regardless of the Display Digits setting, the full value is used for internal floating-point calculations to ensure maximum accuracy.Note: A result is automatically shown in scientific notation if its magnitude cannot be displayed in the selected number of digits.For additiona...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12130
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...her depends on a lot of factors, but the solver prefers a sign change if it can find it. The calculator spends some time "going downhill" in the neighborhood of the even multiple root at -1, then "sees" the function begin increasing. It then checks the function values at the bounds, continuin...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 10453: Designing an Ellipse Using the Geometry Section of the TI-92.
...t (A) moves on the circle -- the envelope of lines is the ellipse. This means that the line constructed is tangent to the ellipse. The point of tangency is *not* the midpoint of the segment. The locus option is under [F4]. To construct this locus, choose the locus command from the menu, select th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10453
Solution 10439: Plotting Points Using the TI-86.
...STAT mode by pressing [2nd][STAT].• Press [F2] to select Edit.• Enter the data in the xStat and yStat lists. (Note: to save data entry time, a frequency list, fStat, can be used. For this example, the frequency of each answer is 1, so clear the fStat list and leave it blank.)• Press [2nd] [QUIT] ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10439
Solution 10399: Differential Equation Solver for the TI-85.
... what is commonly called Runge-Kutta-Fehlberg, most often using a 4,5 order pair.The TI-85 uses a 2,3 pair, which is a tradeoff between lower accuracy (in the sense of being able to get solutions to a smaller tolerance) and calculation speed. Since the ODE solver on the TI-85 is primarily a g...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
Solution 23550: Performing Laplace and Inverse Laplace Transformations on the TI-89 Family, TI-92 Plus, Voyage™ 200 Graphing Calculators.
...ectrical engineering) one can add this functionality. To do an actual transformation, use the below example of f(t)=t, in terms of a universal frequency variable Laplaces. The steps below were generated using the ME*Pro application. 1) Once the Application has been started, press [F4:Reference] a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/23550
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
... -10 Although only a 3 by 3 matrix was used in this example, this method is applicable in general to any square matrix. It also has excellent accuracy characteristics while being one of the more computationally efficient algorithms, which is why it was selected. Solution 11569: Algorithm Used...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 10607: Varying Processing Speeds of Some TI-89 Models.
... to enhance product operation while maintaining or reducing cost for the customer. One such enhancement resulted in an increased processing efficiency for the TI-89. There is nothing wrong with the processor of slower models. The difference is analogous to newer computers that operate faster ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10607
Solution 36735: Resolving the Error "FRQ DOMAIN Error" on the TI-30X IIB / TI-30X IIS Scientific Calculators.
...rror "FRQ DOMAIN Error" on the TI-30X IIB / TI-30X IIS scientific calculators? The error message "FRQ DOMAIN Error" indicates that one of the frequency entries for a statistics problem exceeds the maximum number allowed. The maximum value for a frequency value is 99. To resolve this issue plea...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/36735
Solution 30130: When Using Symbolic Pi, Mixed Number Conversions are Improperly Displayed on the TI-36X Pro and TI-30X Pro MultiView™ Calculators.
...d down the [On] key and then press the [Clear] key. This action will clear and reset the memory. You will be able to do calculations again with accuracy. [2nd] [reset] 2 or pressing the reset button on the back of the calculator will also perform a hard reset (factory defaults). Solution 30130: ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/30130
Solution 12235: Availability of Teacher Kits for the TI-15 Explorer™.
Solution 12235: Availability of Teacher Kits for the TI-15 Explorer™. Solution 12235: Availability of Teacher Kits for the TI-15 Explorer™. global Solution 12235: Availability of Teacher Kits for the TI-15 Explorer™. website ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12235
Solution 12280: Calculating Standard Deviation on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™.
... the value and press [ENTER]. Press the down arrow key to move on to the next data point. Data points alternate between the x value, and the x frequency. 3) [STATVAR] displays the menu of variables with their current values. Answers should be as follows: Sx (Sample Standard Deviation) = 1 sx (P...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12280
Solution 34731: Using the Mean() Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s? The syntax for the mean() function is listed below. mean(list[,freqlist]) The mean() function return the mean or average of list with the frequency list (freqlist). If a freqlist is not specified in the mean() function, the default value for freqlist is 1. Each freqlist element counts the nu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34731
Solution 34734: Explaining the ERR:STAT Message on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...AT: 1) Statistical analysis must have at least two data points. 2) Med-Med must have at last three points for each partition. 3) When using a frequency list, its elements must be greater than or equal to 0. 4) (Xmax - Xmin) / Xscl must be less than or equal to 47 for a histogram. Please see the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34734
Solution 34772: Computing Net Present Value (NPV) and Internal Rate of Return (IRR) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...calculators? The following examples will demonstrate how to compute NPV and IRR. Example: Initial cash flow is -9 Interest rate is 7% CF1 = 5 Frequency = 2 CF2 = -4 Frequency = 3 CF3 = 6 Frequency = 5 What is the NPV and IRR? Solution: First, input the cash flow and frequency values into lists. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34772