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 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 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 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 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...restore default lists 2) Press [stat] [4] [2nd] [1] [,] [2nd] [2] [,] [2nd] [3] [enter] to delete the data in all three lists 3) Press [stat] [1] to access the STAT list editor 4) Enter data in L1 by pressing 264.3 [enter] 258.6 [enter] 266.4 [enter] 256.5 [enter] 182.7 [enter] 181 [enter] 177.6 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
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
Solution 10696: Replacing The Battery in a TI-36X II .
...y internal parts.3) Remove battery, using a small Phillips screwdriver if necessary; replace the old battery with the new battery. Install battery according to polarity (+ and -) diagrams.Caution: Avoid contact with other TI-36X II components while changing the battery.If necessary, press ON a...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10696
Solution 34731: Using the Mean() Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
.... If a freqlist is not specified in the mean() function, the default value for freqlist is 1. Each freqlist element counts the number of consecutive occurrences of the corresponding element in the list. Refer to the examples provided below. Example: Find the mean of {1,2,3,4} 1) From the main sc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34731
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 34733: Performing Degrees, Minutes, Seconds (DMS) Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... [MODE], scrolling to DEGREE and pressing [ENTER]. Press [2nd] [MODE] to QUIT and return to the home screen. • Input 15.375. • Press [2nd] [APPS] to access the ANGLE menu, then press the [4] key to select the ►DMS function (convert to degrees, minutes, seconds). • Press [ENTER] to complete t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34733
Solution 12288: Inverse Function on the TI-34 II Explorer Plus™.
...rer Plus? On the TI-34 II Explorer Plus calculator, the [x-1] key is used to calculate the inverse (or reciprocal) of a value. The [x-1] function is accessed by pressing [2nd] [EE]. Please refer to the example provided below. Example: Find the inverse of 3. 1) Press [3] [2nd] [EE] [=].The display...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12288
Solution 12301: Green Letter Key Labels Represent Physical Constants on the TI-36X Solar Scientific Calculator.
...cal constants) on the TI-36X Solar used? The green letters on the TI-36X Solar indicate the value of a physical constant. The physical constants are accessed using the [CONST] key. For example, to display the constant for the speed of light (c), press [3rd] [CONST] [c]. The screen will show 29979...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12301
Solution 34834: Typing Text Labels on Graph Screens on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...on writes text on graphs beginning at pixel (row, column), where 0£ row £57 and 0£ column £94. The function is located in the DRAW menu which can be accessed by pressing [2ND] [PRGM]. The syntax for the text() function is: text(row, column, text1, text2,…) Please refer to the example provided b...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.
...nto 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 floating numbers or integers. The same issue can easily be recrea...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34814
Solution 34592: Calculating Logs of Bases Other Than 10 on the TI-84 Plus Family of Graphing Calculators.
...n the TI-84 Plus family of graphing calculators. Please Note: The TI-84 Plus and TI-84 Plus Silver Edition require Operating System (OS) v 2.55MP to access the logbase function below. To verify what OS is installed press [2nd] followed by [+] then in the menu that appears select [1:About]. If you...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34592
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