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.
...re are no buttons that are stuck down below the keypad. Additional Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and data. If at all possible please create a backup using TI Connect™ first. Remove all AAA batteries and reinsert the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 12272: Computing One-Variable Statistics Using the TI-34.
...ariable statistics using the TI-34. Example: Find the sum, mean, population standard deviation, and sample standard deviation for the data set: {45, 55, 55, 55, 60, 80}. • Press [MODE] [5] to enter the statistics mode. • Input 45, then press [Sigma +] to save the point. • Input 55, then [Sigma ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12272
Solution 12273: Converting Fractions to Decimals Using the TI-34.
...monstrate 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 number. 1) Input 55 [a b/c] 24, and press [=]. 2) Press the [a b/c] key to display the decimal number, 2.291666667. 3) Pressing...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12273
Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018.
... Mark-Up key for calculations of mark-up, margin-up (or Gross Profit Margin), and percent change. Example: Using [MU] for Mark-Up: An item costing $355 needs to sell at a 16% profit. What is the selling price of the item, and how much profit will be made? Before beginning the calculation: Set t...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12223
Solution 34657: Converting an Angle from Radian to Degree on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ear] to quit out the mode screen and clear the home screen. 3) Press [3] [6] [0] [2nd] [ANGLE] [1] [Enter] this will convert the 360 degrees to an approximation of 2π 6.283185307. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Solution 34657: Convert...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34657
Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...re are no roots at all. Example: Find the discriminant of the equation x2+6x-5=0 1) Press [1] [sto→] [alpha] [math] [alpha] [.] [6] [sto→] [alpha] [apps] [alpha] [.] [ (-) ] [5] [sto→] [alpha] [prgm] [enter] 2) Press [alpha] [apps] [x2] [-] [4] [*] [alpha] [math] [*] [alpha] [prgm] [enter] t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 10474: Using Memory Functions and Operations on the TI-1795 SV.
...ey completes any operation (acts like the [=] key) and then adds the result to memory.Example:1) Press [4] [M+] [ON/C]4 is stored to memory, and 'M' appears in the top left of the display.2) Press [4] [x] [9] [M+]36 is displayed, and the result of (36 + 4) will be stored to memory.[M-] subtracts...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10474
Solution 34619: Finding the Limit of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...built in function that can easily find the limits on the calculator, there is a work around. Using the example (x+1)/(x-1) let us find the limit as X approaches 3: 1) Press [Y=] 2) Press [ ( ] [X,T,θ,n] [+] [1] [ ) ] [/] [ ( ] [X,T,θ,n] [-] [1] [ ) ] 3) Press [zoom] [6] to select 6:Zstandard...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34619
Solution 34618: Using the Sum Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... 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 of 1, 23, 453, 68.9, 59 • Press [2...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.
... three or more different samples were all selected from populations with the same mean. Example: To compare the distance traveled by three different brands of golf balls when struck by a driver, a completely randomized design is used. A robotic golfer, using a driver, is set up to hit a random s...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
Solution 10687: Differences in the TI-30X and TI-30Xa.
...constant. As requested by educators, it has a [k] key that will turn on the [=] key to be used as a constant. When the [k] key is selected a [k] will appear in the screen and then the [=] key will act as a constant. Another minor change is the way in which the permutation and combination functio...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...dard to set default window settings and display the graph. Please Note: The TI-83 Plus Family will display the above graph connected. To make it appear dashed as above press [Y=] followed by [←] [←] then [enter] 6 times to select the Line Style "DOT" which appears as a dotted line. Once this...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34602
Solution 12321: Difference Between [ (-) ] and [ - ] Keys on Two Line Elementary and Scientific Calculators.
...he [ (-) ] and the [ - ] key on TI's elementary and two line scientific calculators? There are two keys on TI's two line scientific calculators that appear to be similar. The [(-)] is the negate key, which is often mistakenly used as the subtraction key. The negation key converts a positive numb...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12321
Solution 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.
...t 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 the variables to solve the equation. For Example: Solve the equation 2X^2+5X+3=0First, store val...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 answer possible....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.
...y pressing [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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34733
Solution 34734: Explaining the ERR:STAT Message on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... TI-84 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34734
Solution 34841:Troubleshooting the TI-83 Plus and TI-84 Plus Family of Graphing Calculators Requesting a Password.
...pictures, functions, lists, etc. This procedure may also delete all items stored in the FLASH ROM of the graphing calculator. This includes all FLASH apps (pre-loaded or otherwise) as well as appvars. For the TI-83 Plus and TI-84 Plus: • Remove 1 AAA battery. • Press and hold down the [DEL] key ...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™.
... [◄] or [►] to select an operation. • With the cursor under the operation that is to be cleared, press [Enter]. The selected "OP" indicator should disappear from the display. More information on how to use the TI-15 Explorer calculator can be found in the TI-15 Quick Reference Guide. Solution 12...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12238
Solution 34798: Graphing a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...and TI-84 Plus family of graphing calculators. Example: Graph y - x = -3 Solution: • First, solve for y. This must be done manually by hand using algebra because the TI-83 Plus and TI-84 Plus family of graphing calculators are not CAS calculators. • The new equation is: y=x-3. To graph the equati...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34798
Solution 12259: Finding the Hypotenuse and Angles of a Right Triangle on the TI-30X IIS/B Scientific Calculators.
...of c is equal to 4/5 or sin (c) = 4/5. To find c, calculate the inverse sine of 4/5. Please refer to the steps provided below: 1) Make sure that DEG appears on the display (degrees mode). 2) Press [2nd] [SIN]. 3) Input 4/5. The display should show sin^-1(4/5. 4) Press [)] to close the parenthesi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12259
Solution 34776: Using Split Screen on the TI-84 Plus Family of Graphing Calculators.
...E. 4) Press [ENTER] [2ND] [QUIT]. Please Note: The split screen is activated when you press [TRACE], [GRAPH], or [TABLE] since these are keys that apply to either half of the split. Please see the TI-84 Plus Family guidebooks for additional information. Solution 34776: Using Split Screen o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34776
Solution 33771: Calculating One-Variable Statistics Using the TI-36X Pro.
...ect [L1] for DATA and ONE for FRQ. 6) Highlight CALC and press [enter]. Display answers should be as follows: n = 4 x = 26.25 Sx = 12.5 sx = 10.82531755 åx = 105 åx2 = 3225 minX =10 Q1 = 17.5 Med = 27.5 Q3 = 35 maxX = 40 Please see the TI-36X Pro guidebook for additional information. Solution 3...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33771
Solution 34773: Renaming a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... key, press the right arrow twice to select NEW, and press [ENTER]. • Type the new name. • Press [ENTER]. • Press [2nd][RCL]. The word Rcl will appear at the bottom of the screen. • Press the [PRGM] key, scroll to EXEC and select the old name of the program by highlighting it and pressing [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34773