Solution 34034: Calculating the Inverse of a Matrix Using the TI-36X Pro.
...te the Inverse of Matrix A: Solution: To enter the matrix: • Press [2nd] [matrix] • Use the [right arrow key] and scroll to EDIT • Press [enter] to access matrix A • Input the dimensions by selecting 2 for ROWS and 2 for COLUMNS • Scroll to OK and press [enter] • Input the matrix entries, press...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/34034
Solution 15402: Numeric Notation Modes on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 MultiView™ Scientific Calculators.
...he TI-30X IIS/B, TI-30XS MultiView, and TI-34 MultiView. The TI-30X IIS has (3) numeric notation modes - FLO, SCI, and ENG. The mode settings can be accessed by pressing [2nd] [SCI/ENG]. The TI-30XS MultiView has (3) numeric notation modes - NORM, SCI, and ENG. The mode settings can be accessed b...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15402
Solution 11404: Unexpected Loss of Apps on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...being moved in memory. If this process is interrupted, for instance by power loss or by dropping the calculator, all of the Apps that have not been successfully moved or re-installed can be lost.The Apps are stored in the calculator one after the other. This is very much like a stack of boxes. If...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11404
Solution 34878: Explanation of r^2 and R^2 on the TI-84 Plus C Silver Edition Graphing Calculator.
...tion) and R2 (coefficient of multiple determination). r2 expresses the proportion of the total variation in the values of the variable Y that can be accounted for or explained by a linear relationship with the values of the random variable X. Thus, a correlation of 0.6 means that 0.36 or 36% or t...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/34878
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 18209: Using the Hyperbolic Functions on the TI-30X IIS/B and TI-30XS MultiView™.
...IS/B and TI-30XS MultiView? Hyperbolic functions are analogs of regular trig functions, or better known as circular functions. Press [2nd] [HYP] to access the hyperbolic function (sinh, cosh, tanh) of the trig function to be used. Hyperbolic calculations are not affected by the mode of the calcu...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18209
Solution 18729: Performing Metric Conversions on the TI-36X II.
...metric conversions on the TI-36X II? The TI-36X II has a menu with 20 conversions from the metric system into the English system and vice versa. To access this menu press [Conver] and scroll to the selected conversion and press [ENTER]. To reverse the conversion press [2nd] while the selected un...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/18729
Solution 11870: Using Solve( with Trigonometric Functions Returns Unexpected Results on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...amily, and Voyage 200 are showing that this equation has an infinite set of solutions by displaying @n1*p. The integer suffix of "@n" increases for successive problems, then wraps back to 1 after 255. "@n" is the units representation of an "arbitrary integer." Please see the TI-89 family, TI-92 f...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11870
Solution 10419: Correcting ERROR 20 GRAPH WINDOW on the TI-86.
... Knowledge Base Knowledge Base Search How can I correct ERROR 20 GRAPH WINDOW on the TI-86? The ERROR 20 GRAPH WINDOW occurs when the minimum value for x or y is larger than the maximum value. Edit the window values to resolve this error: 1) Press [GRAPH] [F2] and i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10419
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 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 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...tton located on the back is not stuck down below the bottom case. Remove all AAA batteries (AA batteries on the TI-92 Family) and reinsert them according to the polarity (+ and -) diagrams: TI-89, TI-89 Titanium: upside down, then right side up, then upside-down, then right side up T...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...applications, programs, and data. If at all possible please create a backup using TI Connect™ first. Remove all AAA batteries and reinsert them according to the polarity (+ and -) diagrams. Batteries are installed upside down, then right side up, then upside-down, then right side up, which m...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...tant: When replacing the battery, avoid any contact with the other components of the calculator. Dispose of the dead battery immediately and in accordance with local regulations. Battery precautions Do not leave batteries within the reach of children. Do not mix new and used batt...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/40317
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 34692: Using the Statistics Wizard on the TI-84 Plus Family of Graphing Calculators.
...g the information more intuitive. To enable and disable the wizard format by going to [Mode] and change the option for Stat Wizard: ON or OFF. To access any of the statistics commands, press [Stat] then [→] to CALC and then select a statistics command and the screen will show a wizard similar ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34692
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 34618: Using the Sum Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...g calculators? The sum function is used to find the sum of the elements in a list. The syntax is sum(list[,start, end]). The optional arguments and accompanying commas are enclosed in brackets. If included, it returns the sum of the elements of the list from start to end. Example: Find the sum ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34618
Solution 10687: Differences in the TI-30X and TI-30Xa.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search What are the differences between the TI-30X and TI-30Xa? The key difference between the TI-30X and TI-30Xa is that the TI-30Xa does not automatically use the [=] key as a con...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 34603: Finding the X-Intercept of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...epts of a function, the zero command must be used. Follow the example below for help with using the zero command. Example: 2X - 7 1) Press [Y=] to access the Y= Editor. 2) Press [Clear] then [2] [X,T,θ,n] [-] [7] 3) Press [zoom] then [5] to graph the function and select standard viewing window...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34603
Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...sing the int( command. The example below will demonstrate how to graph a step function. Example: Graph the greatest integer of Y=X 1) Press [Y=] to access the Y Editor 2) Press [math] then [→] to select the NUM menu 3) Press [5] to select 5:int( 4) Press [X,T,θ,n] to input the X variable t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34602
Solution 34597: Shortcuts for Working with Menus on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ATALOG, pressing the [APPS] key will jump the user to the "B" section of the CATALOG. • Use the number keys printed in front of certain functions to access them quickly rather than scrolling down to the function, highlighting it, and pressing [ENTER]. For example, try accessing the convert to fra...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34597