Solution 11845: Resolving the Error Message "Illegal Instruction" on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...it, remove a battery and press [ON] for 30 seconds. Replace the battery, turn on the unit, and adjust the contrast. If you require additional assistance please contact TI-Cares. Solution 11845: Resolving the Error Message "Illegal Instruction" on the TI-89 Family, TI-92 Family, and Voyage™ 200 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11845
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.
...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-89 family, TI-92 family and Voyage™ 200 and the TI-85 and TI-86 is that they ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10617
Solution 10479: Contacting Technical Support for the TI-74 BasicCalc and TI-95 ProCalc.
...tors Knowledge Base Knowledge Base Search How can I contact technical support for the TI-74 BasicCalc and TI-95 ProCalc? Since the TI-74 BasicCalc and the TI-95 ProCalc were both discontinued by 1990, Texas Instruments is no longer able to provide parts, accessories, ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/10479
Solution 12268: Converting Decimals into Fractions Using the TI-30Xa and TI-30Xa Solar Scientific Calculators.
...convert decimals into fractions using the TI-30Xa and TI-30Xa Solar. Please be aware that TI-30Xa Solar School Edition calculators do not have this functionality. For Example: Convert .25 to 1/4 1) Input .25, press [2nd] [D above it). Please Note: FD means fraction to decimal, decimal to fraction...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12268
Solution 12273: Converting Fractions to Decimals Using the TI-34.
...TI-34? The [a b/c] key is used to toggle between the display of fractions and decimals on the TI-34. The example below will demonstrate using this function: Please Note: Due to the display size of the TI-34, not all decimal numbers can toggle to fractions. Example: Convert 55/24 to a decimal n...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12273
Solution 12280: Calculating Standard Deviation on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™.
...e 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 (...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12280
Solution 12281: Calculating the Log and Inverse Log of a Number Using the TI-34 II Explorer Plus™.
...orer 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. The displayed answer will show 0. Example: Calculate the a...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12281
Solution 40237: TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents.
...oes the TI-30XII 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 prob...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/40237
Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018.
...he profit, $67.62. Example: Percent Change or Delta Percent Using the [MU] key: What is the percent change between an original price of $140 and an increased price of $175? • Input 175, [-], 140. • Press the [MU] key. This calculates the percent change, 25%. • Press the [MU] key again. This ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12223
Solution 12295: Setting Scientific Notation Mode on the TI-34 II Explorer Plus™ and TI-34 MultiView™ Scientific Calculators.
...lay in standard notation, it will automatically display the solution in scientific notation. The TI-30X IIS/B and TI-30XS/TI-30XB MultiView, which function in the same way as the TI-34 II Explorer Plus and TI-34 MultiView, are more advanced calculators that feature the option to display all resu...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12295
Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.
... calculator? These calculators use an Equation Operating System (EOS™), which evaluates from left to right, allowing the user to enter numbers and functions in a straightforward sequence. Parentheses are necessary to define the order of operations within an expression. For example, the calculato...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297
Solution 12312: Random Number Generator Feature on the TI-36X Solar.
...I-36X Solar? The TI-36X Solar does not feature a random number generator. The following models in our current scientific product line feature this function: • TI-30XS MultiView™ • TI-30X IIS/B • TI-34 MultiView™ • TI-36X Pro™ Please see the TI-36X Solar guidebook for additional information. S...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12312
Solution 10694: Clearing the Variable E on the TI-36X II.
...I-36X II? In addition to serving as a memory variable, variable E also stores a seed value to generate a random number when using the probability functions. The seed value changes randomly every time a random number is generated.Since the variable E is classified as a system variable, the valu...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10694
Solution 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.
... Knowledge Base Search How can I solve equations using the TI-30X IIB / TI-30X IIS? The TI-30X IIB / TI-30X IIS do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes, which can be incorporated into Algebra by sto...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12324
Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.
...not give zero when calculating the sin(pi)? The answer displayed when calculating 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...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 11648: Printer Display Calculator Will Not Add Or Subtract.
...r add or subtract? In general, a printing calculator will not add or subtract if the [Calc/Tax] key is set to [Tax]. The printing calculator should function as expected once the switch is moved to [Calc]. If this does not return the unit to proper operation, please contact TI-Cares to get furthe...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/11648
Solution 34734: Explaining the ERR:STAT Message on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...TAT: 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 12286: Inputting Exponents (Powers) Using the TI-30X IIS/B, TI-34 II Explorer Plus™, TI-30XS MultiView™, and TI-34 MultiView™.
...nents for a negative value, it is necessary to put parentheses around the negative value. If parentheses are not used, the calculator will return an incorrect solution.For example: -44 = ? 1) Press [ ( ] [(-)] and input 4.2) Press [ ) ] [^], input 4 and press [enter].The answer is 256. If parenth...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12286
Solution 34841:Troubleshooting the TI-83 Plus and TI-84 Plus Family of Graphing Calculators Requesting a Password.
... Knowledge Base Search How do I use the TI-83 Plus and TI-84 Plus family of graphing calculators when it is requesting a password? The presence of certain assembly shell programs developed outside of Texas Instruments are known to cause the TI-83 Plus and TI-84 Plus family of graphing c...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34841
Solution 12238: Clearing a Stored Operation on the TI-15 Explorer™.
Solution 12238: Clearing a Stored Operation on the TI-15 Explorer™. Solution 12238: Clearing a Stored Operation on the TI-15 Explorer™. global Solution 12238: Clearing a Stored Operation on the TI-15 Explorer™. website ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12238
Solution 34834: Typing Text Labels on Graph Screens on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...owledge Base Search How do I type text labels on graph screens on the TI-83 Plus and TI-84 Plus family of graphing calculators? The text() function can be used to create labels for graphs. The text() function writes text on graphs beginning at pixel (row, column), where 0£ row £57 and 0£...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34834
Solution 34814: Correcting a Data Type Error when Attaching a Distribution Formula to a List on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...en I attach the following formula to L2? Input data (numbers) into the L1 list. L2=normalcdf( -1E99, 200, L1*.9, L1*.9*.1) Some of the distribution functions, such as Normalpdf and Normalcdf, are not designed to accept lists as valid parameters. These two functions are designed to only accept flo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34814
Solution 12250: Calculating a Hyper Geometric Probability Distribution on the TI-30X IIS/B.
...ledge Base Search How do I calculate values for a hyper geometric probability distribution on the TI-30X IIS/B? There is not a pre-defined function on the TI-30X IIS/B that will find the statistical values for a hyper geometric probability distribution. However, the formula can be entere...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12250
Solution 26450: Changing the +/- sign of an answer on the TI-30X IIS and TI-30X IIB.
...ange an answer from a positive number to a negative number. This key is not present on the TI-30X IIS or the TI-30X IIB units. So to perform this function on the TI-30X IIS or TI-30X IIB: • Enter your problem. ex. 88+44 and press [ENTER] You will get 132. • Now press the negate key [(-)]. The...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/26450
Solution 12255: Converting Degrees/Minutes/Seconds (DMS) to Decimal Format on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView™ Scientific Calculators.
...: 1) With the decimal still displayed as the last answer, press [2nd] [prb]. 2) Press [6] to select the >DMS (convert to degrees, minutes, seconds) function. 3) Press [enter]. The DMS format should be displayed, 78° 12' 2". Please see the TI-30XS/TI-30XB MultiView guidebook for additional informa...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12255