Solution 10465: Simplifications Running Slow on the TI-92 Family
...d 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, such as APPROXIMATE versus EXACT • Try using an appropriate alternate function, such as nS...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10465
Solution 32851: Boolean Logic Operation on the TI-36X Pro.
... results are displayed in the current number base. These values (except for NOT and 2's complement) compare the corresponding bits of two values. To access Boolean Logic you press [2nd] [base n ] and press the [►] twice to displays the LOGIC menu, which lets you perform the below Boolean logic. 1...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/32851
Solution 13820: Differences Between OS v3.10 and Previous Operating Systems When Solving Inequalities Using the TI-89 Titanium and Voyage™ 200.
...r Voyage 200? OS v3.10 for the TI-89 Titanium and Voyage 200 increases the ability of the calculator's Computer Algebra System (CAS) to display more accurate results for inequalities involving polynomials and rational expressions. The table below displays the added functionality of OS v3.10 when ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/13820
Solution 34293: Computing Binomialcdf on the TI-36X Pro.
...-36X Pro? Binomialcdf computes a cumulative probability at x for the discrete binomial distribution with the specified numtrials and probability of success (p) on each trial. x can be nonnegative integer and can be entered with options of SINGLE, LIST or ALL (a list of cumulative probabilities is...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/34293
Solution 35157: Finding Divisors of a Number by Creating a Table using the TI-36X Pro.
Solution 35157: Finding Divisors of a Number by Creating a Table using the TI-36X Pro. Solution 35157: Finding Divisors of a Number by Creating a Table using the TI-36X Pro. global Solution 35157: Finding Divisors of a Number by Creating a Table using the TI-36X Pro. website ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/35157
Solution 12127: Correcting a Domain Error when Calculating a Binomial CDF Using the Statistics with List Editor App on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...s? Binomial CDF computes a cumulative probability for the discrete binomial distribution with the specified Number of Trials (n) and Probability of Success (p) on each trial. The Statistics with List Editor App, version 1.01, is limited to calculating a Binomial CDF with a number of trials equal ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12127
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®.
...to install code, appears on the TI-89 family, TI-92 Plus and Voyage 200 when the 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 sit...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12089
Solution 11591: Correcting the Circular Definition Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...xpressions of symbolic variable argument names that are the same as those used to define the function or program. The error Circular definition will occur if that is detected. Unexpected results can occur when a function or program is called with some form of the same variable name that was used ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11591
Solution 11804: The Anti-Derivative of Sin(x)*Cos(x) Returns an Expression in Cos(x) Instead of Sin(x) on the TI-89 Family, TI-92 Plus and Voyage™ 200.
.... Internally, the integrand is stored as cos(x)*sin(x). TI could have chosen to store the integrand as sin(x)*cos(x), but either ordering is equally acceptable. • Then the algorithm attempts to verify whether the integrand is of the form const*elementary_function(u(x))*u'(x). Here, the first fa...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11804
Solution 10617: ERROR SINGULARITY Using the Equation Solver on the TI-85 and TI-86 When a Solution is Calculated Using the TI-89 Family.
...TY when using the Equation Solver on my TI-85 or TI-86 although an answer is given on the TI-89 family? "ERROR SINGULARITY" occurs when the SOLVER equation contains a singularity (a point at which the function is not defined). The difference between the software on the TI...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10617
Solution 10438: Performing Polar to Rectangular and Rectangular to Polar Conversions on the TI-85 and TI-86.
...he solution. The < symbol denotes the "angle" symbol on the calculator. To convert from rectangular to polar: 1) Input (5<53.13). Please Note: To access the < (angle) symbol, press [2nd] [,]. 2) Press [2nd] [CPLX] 3) Press [MORE] [F1] [ENTER] The screen will show (3.000..., 3.999...) as the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10438
Solution 12256: Converting from Rectangular to Polar Coordinates Using the TI-30X IIS/B and TI-30XS MultiView™.
...gular coordinate (4,3) to polar form (r, q). To find r or magnitude: • Press [mode] [enter] [2nd] [mode] (for Degree mode). • Press [2nd] [prb] (to access the angle menu) and scroll over to highlight R◄►P. • Press [1] to paste R►Pr( on the screen. • Input the x-value of the rectangular coordinat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12256
Solution 11661: Discontinuation of Printer Display Calculators.
...ew years, Texas Instruments has increased its commitment to the educational technology marketplace. While the printer display product line has been successful for TI, it no longer supports TI long-term goals of providing the best services and products to education. Therefore, all printer calculat...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/11661
Solution 12281: Calculating the Log and Inverse Log of a Number Using the TI-34 II Explorer Plus™.
...g the log and antilog of a number using the TI-34 II Explorer Plus. Example: Calculate the log of 1. 1) Press the [2nd] key, then the [LOG] key to access the LOG menu. 2) With the cursor under the 'LOG' function, press [=]. 3) Input [1]. Press [)] to close parentheses. 4) Press the [=] key. Th...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12281
Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...t of the relation symbol. • Input 10-X. • Enter the relations for Y2 and Y3. • Move the cursor to X= (in the top left corner). • Press [ENTER] to access the X=Editor. • Press [ALPHA][F5] to select ≥. • Input 0 to store the value to X1. • Press [WINDOW] to set up the graphing window. • Input...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34674
Solution 40237: TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents.
...Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents? The caret key has limitations for the functions it will accept for Y^X. If the below condition is met it will give a domain error: Y<0, X<1, and 1/X is not an integer For example the problems below will r...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/40237
Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.
...e necessary to define the order of operations within an expression. For example, the calculator reads the expression -32 as (-1) x 32, and evaluates accordingly. The parentheses will assign the negative symbol to the value to be squared. Please follow these steps for squaring negative numbers usi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297
Solution 34732: Archiving a Program Within Another Program Using the Command Line Archive PrgmName on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...mand line, except archiving another program. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information.Last updated: 7/03/2023 Solution 34732: Archiving a Program Within Another Program Using the Command Line Archive PrgmName on the TI-83 Plus and TI-84 Plus Family o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34732
Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
...alculating p radians is an approximation of zero. When solving trigonometric functions, very sophisticated algorithms are used to calculate the most accurate answer possible. With this in mind, plus the fact that it uses a 13-digit approximation of the irrational number p, the TI-68 is calculati...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 34797: Unit to Unit Transfer of an Operating System (OS) on the TI-84 Plus Family of Graphing Calculators.
...to transfer the OS from one TI-84 Plus family of graphing calculator to another, refer to the steps below: Please Note: Transfer of the OS can only occur between the calculator models below: TI-84 Plus to a TI-84 Plus TI-84 Plus to a TI-84 Plus Silver Edition TI-84 Plus Silver Edition to a TI-8...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34797
Solution 12276: Calculating Factorials on the TI-30X IIS, TI-30X IIB, or the TI-34 II Explorer Plus.
...4 II Explorer Plus: 1) Input the value for which the factorial will be taken. 2) Press the [PRB] key and press the right arrow key twice [®] [®] to access the "!" function. 3) Press [ENTER] to select the function, then press [ENTER] again to display the result. Please see the Scientific Model fa...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12276
Solution 12290: Performing One-Variable Statistics on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™ Calculators.
...he TI-30X IIS/B and TI-34 II Explorer Plus calculators. Data to use for this example: x = {71, 64, 55, 7, 98} To Solve: 1) Press [2ND] [DATA] to access the STAT menu. With the cursor (underline) below 1-VAR, press [ENTER]. The calculator is now in STAT mode. 2) Press [DATA] and begin to enter...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12290
Solution 12161: String Commands on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...c.). inString - Searched a string to see if it contains a specified substring. If so, the command returns the character position where the first occurrence of the substring begins. left - Returns a specified number of characters from the left side (beginning) of a string. mid - Return...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12161
Phosphate Analysis
One method of measuring the phosphate concentration is by using a Colorimeter. This instrument measures the amount of light transmitted through a sample at a given wavelength. The amount of light absorbed is mathematically related to the concentration of the solution.https://education.ti.com/en/activity/detail/phosphate-analysis