Solution 10421: Creating and Using Strings on the TI-86.
...string". To concatenate or join together two or more strings, use the + sign. The syntax is "stringA"+"stringB"+"stringC"+... To create a string variable: 1) Begin on a blank line on the Home screen or in the program editor. 2) Press [2nd] [STRNG] to display the STRNG menu. 3) Press [F1] to en...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10421
Solution 11402: Starting the Calculus Tools Application on the TI-89 Family.
... close. Before starting the Calculus Tools App, set modes to the required values as follow:1. From the Home screen, press [MODE] to display the MODE dialog box.2. Ensure that the following modes are set as indicated:Graph: FUNCTIONDisplay Digits: FLOAT or FLOAT #(1-12)Angle: RADIANSplit Screen: F...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11402
Solution 11371: Amount of RAM and Archive Memory Used by Calculator Software Applications (Apps) for the TI-89 Family, TI-92 Plus, and the Voyage™ 200 Graphing Calculator.
...h List Editor81617428Statistic with List Editor ( French)3014592Statistic with List Editor (German)3017324Simultaneous Equation Solver117285658Polynomial Root Finder110450270Finance 18443224Statistic with List Editor (Spanish)3016686Spanish (Espanol)11039632German (Deutsch)11038214CellSheet™17401...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11371
Solution 11401: Selecting Multiple Equations Under Different 'When' Headings in the ME*Pro® Application.
...) heading at a time and designating the results from one calculation as the input into the second. A black square marker should appear next to the variable. To designate a calculated or previously entered value as known variable for a calculation, move the cursor to the value, press [F5], select ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11401
Solution 10577: Converting Units of Measure on the TI-85 and TI-86.
...f the unit of measure (Example: LNGTH for Meters, VOL for liter). Select the current unit of measure from the conversion group menu. The unit abbreviation and conversion symbol are pasted to the cursor location. Select the new unit of measure from the conversion group menu. The unit abbreviatio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10577
Solution 10455: Equations Used to Create the Graphs on the TI-92 Plus Manual.
...tor Number of graphs...2 Graph 2...3D Split Screen Ratio...1:2 Left Graph Input the left side of the graph that is a 2nd order ordinary differential equation (ODE). Y= Editor (Press [Diamond][Y=]) y1´= 3*(1-y1)*(-2*y2-2)*e^(-y1^2-(y2+1)^2) + 8*y2*e^(-(y1+1)^2-y2^2) yi1= {.4, -1, -1, -1, ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10455
Solution 12323: Calculating the Linear Regression on the TI-30X IIB / TI-30X IIS.
...inear regression on the TI-30X IIB / TI-30X IIS, please refer to the example below:1-VAR analyzes statistical data from 1 data set with 1 measured variable, x. 2-VAR stats analyzes paired data from 2 data sets with two measured variables x, the independent variable, and y, the dependent variable....https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12323
Solution 15301: Resetting the TI-30X IIS/B.
...30X IIS/B? To reset the TI-30X IIS/B, please follow the steps below: Please Note: Pressing [ON] and [CLEAR] simultaneously resets the calculator immediately. No menu or message is displayed. 1) Press [2nd] [RESET].2) The menu RESET: N Y will display.3) Press the right arrow key to underline Y.4) ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15301
Solution 11851: Summation or Sum() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...um() function uses iterated addition for numeric limits. Other sums are determined from formulas given in standard mathematical tables. Limits or special formulas are used for infinite summation limits.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11851
Solution 12228: Performing Trigonometry Calculations on the TI-30Xa, TI-30Xa SE™, TI-34 Single line Scientific Calculators.
...f 30 degrees. (.866025.....) Enter 30 and press the [COS] key. 3) Tangent of 30 degrees. (.57735.....) Enter 30 and press the [TAN] key. For radians: Please Note: Press the [DRG] key. (This will set the mode to RAD rather than DEG.) 1) Sine of p radians. (0) Enter p and press the [SIN]...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12228
Solution 23370: Solving Quadratic Equations on the TI-30X IIS/B and TI-34 II Explorer Plus™.
...the TI-30X IIS/B or TI-34 II Explorer Plus? The TI-30X IIS/B and TI-34 II Explorer Plus do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes. However, users can incorporate the variables into algebra by storing a value to the var...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/23370
Solution 12229: Differences Between the TI-10 and TI-15 Explorer™.
...ce than the TI-15 Explorer. Even though the calculators have many of the same features, some major differences were necessary to make it grade appropriate. The TI-10 has fewer and larger keys. The keys for fractions, the [0.001] thousandths key, p, square root, [^] caret, and % have been omitted...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12229
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.
...9 family, TI-92 family and Voyage™ 200 and the TI-85 and TI-86 is that they use different linear system solvers, which use a slightly different criteria for determining when a linear system is too poorly conditioned to solve accurately. For more information regarding your Texas Instruments graphi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10617
Solution 12254: Converting Degrees Fahrenheit (°F) to Degrees Celsius (°C) on the TI-30X IIS/B.
...te: The °C formula is as follows: °C=(°F-32)5/9 1) Press 32 [STO]. 2) The screen will display A B C D E; use the arrow key to underline the appropriate letter. 3) Scroll to A and press [ENTER]. 4) Press 98.6 [-][2nd] [RCL]. (The screen will display A B C D E; move the right arrow and select A...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12254
Solution 12263: Using the Constant K Function on the TI-30X IIS/B.
..., functions, and values). 3) Press [=] to turn on the constant mode. K appears in the display. 4) Press [CLEAR] to clear the display. 5) Enter an initial value. If a value is not entered, 0 is assumed, and "Ans" will appear in the display. 6) Press [=] to place the contents of K at the end of the...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12263
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...k 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 TI-92 Family: All 4 right side up ...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.
... 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 may be different from other products....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 12226: Performing Inverse Trigonometry Functions on a Single Line Display Scientific Calculator.
...G is on the display. To find the inverse sine (or arcsine) of .5 1) Enter .5 and press [2nd] [SIN]. The displayed answer will show 30. Example for Radians: Please Note: Check the display to see if RAD is highlighted. If RAD is not highlighted, press the [DRG] key or [2nd] [DGR] until RAD is on th...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12226
Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...ality Graphing application. Example: Maximize the profit, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: • Press [APPS] to display the list of applications on the calculator. • Select Inequal (or Ineq...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34674
Solution 34672: Graphing the Fibonacci Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...d TI-84 Plus family of graphing calculators? In a Fibonacci sequence the first two terms are 1 and 1. Each succeeding term is the sum of the two immediately preceding terms. Follow the procedure below to graph the Fibonacci sequence: 1) Press [mode] 2) Press [↓] [↓] [↓] [→] [→] [→] to select SEQ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34672
Solution 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.
... 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 storing values to the variables, then using t...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.
... Knowledge Base Search Why does 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 answe...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10702
Solution 34734: Explaining the ERR:STAT Message on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Plus family of graphing calculators? An ERR:STAT message is displayed when attempting a stat calculation or operation with lists that are not appropriate. Make sure you follow the rules stated below to avoid an ERR:STAT: 1) Statistical analysis must have at least two data points. 2) Med-Med mu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34734
Solution 12225: Clearing DEG In The Display Of A Single Line Scientific Calculator.
...n the display of the scientific calculator until the angle setting is changed.To change the angle setting, users will need to press [DRG] for RAD (radians) or GRADS (gradians).Please see the scientific calculator guidebooks for additional information. Solution 12225: Clearing DEG In The Display ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12225
Solution 34779: Correcting a Domain Error When Calculating a 1-Prop Z-Interval on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...why do I get a domain error on the TI-83 Plus and TI-84 Plus family of graphing calculators? When calculating a 1-Prop Z Interval and the number of trials and the number of successes are given, it is important to input the trials in n and the number of successes in x. If this done incorrectly, th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34779