Solution 34534: Solving a Quadratic Equation Using Numeric Solver on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...ly one solution at a time. Since there are generally two solutions for a quadratic equation, two different guesses must be entered into the solver to find both solutions. After finding the first solution, enter a new initial guess or new bounds to look for the second solution. Follow the steps b...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34534
Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.
...h a linear regression on the TI-84 Plus family of graphing calculators? The following example will demonstrate how to calculate a linear regression. First, you will need to enter the data: • Press [STAT] [1] to enter the Stat List Editor. • Enter the data {3,5,8,10} in the L1 list and {7,8...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34506
Solution 12009: Calculating Variance on the TI-83 Plus Family of Graphing Calculators.
...by Sx, uses the value n-1 as the denominator. The graphing calculators use the sample standard deviation Sx when calculating the variance (Sx2). To find the variance using the population standard deviation, take the value of sx and raise it to the power of 2 (sx2). Please Note: The sx variable ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12009
Solution 34498: Causes of a Singular Matrix Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e TI-83 Plus and TI-84 Plus family of graphing calculators? The message "ERROR:SINGULAR MATRIX" may be the result of one of two possible things. The first reason is an attempt to take the inverse of a matrix for which the determinant is zero. A second possible cause for this error message is if ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34498
Solution 12006: Using the Numeric Solver on the TI-84 Plus and TI-83 Plus.
...={lower,upper}. lower and upper are the bounds between which the TI-84 Plus and TI-83 Plus searches for a solution. This is optional, but it may help find the solution more quickly. The default is bound= {-1E99, 1E99} The solution is displayed next to the variable for which you solved. A soli...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12006
Solution 34497: Creating and Viewing a Residual List on the TI-84 Plus family of graphing calculators.
...ing calculators calculates a regression, there will be a difference between the values of f(x) as calculated and the value as determined by the "best fitting" line. This difference is called a residual. When regressions are calculated, these residuals are automatically stored within a list calle...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34497
Solution 34652: Calculating Factorials (!) Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...factorial using the TI-83 Plus and TI-84 Plus Family of graphing calculators? The instructions below display how to calculate a factorial. Example: Find 6!. • On the home screen, press [CLEAR] to clear any previous entries. • Press [6] [MATH] and the left arrow key to select the PROB menu. • P...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34652
Solution 34473: Calculating Variance on the TI-84 Plus Family of Graphing Calculators.
...by Sx, uses the value n-1 as the denominator. The graphing calculators use the sample standard deviation Sx when calculating the variance (Sx2). To find the variance using the population standard deviation, take the value of sx and raise it to the power of 2 (sx2). Note: The sx variable will ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34473
Solution 34427: Setting the Table Modes on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...endant variable refers to the y value as in the equation y = x + 2. To display the TABLE SETUP screen, press [2nd][TBLSET] TblStart (table start) defines the initial value for the independent variable. TblStart applies only when the independent variable is generated automatically, when Indpnt i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34427
Solution 34794: Inputting Absolute Values on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ctions below demonstrate how to input the abs( or absolute value function on the TI-83 Plus and TI-84 Plus family of graphing calculators. Example: Find |-3| • Press [MATH] • Scroll right to highlight NUM and select 1:abs( • Input -3. To make a value negative, use the negative or [(-)] key l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34794
Solution 34425: Entering Measured Angles in Gradients on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators
...of measuring an angle in gradients mode (only degrees and radians are used). Gradient is used widely in Europe by geographers and architects. It is defined by setting the right angle (p/2, 90°) to 100 grads. Angle in grads = angle in degree * (400/360) Angle in degree = angle in grads * (360/40...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34425
Solution 34793: Calculating the GCD() (Greatest Common Divisor) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...gcd() function is used to calculate the greatest common divisor of two arguments of which must be nonnegative integers. When listA and listB are specified, gcd( returns a list of the gcd of each pair of elements. If list and value are specified, gcd( finds the gcd of each list and value. The prop...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34793
Solution 34775: Displaying Input and Output in Line Wrap on the TI-84 Plus Family of Graphing Calculators.
... calculators the input and output may display across the screen instead of scrolling to the next line (line wrap). This is similar to the way scientific calculators (TI-30XS MultiView, TI-34 MultiView, etc) display the input and output as well. Below are screenshots with this feature enabled: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34775
Solution 34500: TI TestGuard™ Application for the TI-84 Plus and TI-84 Plus C Silver Edition Validation Feature Information.
...on-TI source). Why is TI authentic software important?a. The reason to care that you have TI authentic software is the knowledge that you have confidence with the algorithms on the calculator and any test security feature you are using such as clearing memory. Why/When would you run the T...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34500
Solution 34774: Using Boolean Logic on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ing calculators? Boolean Operators are often used in programs to control program flow and in graphing to control the graph of the function over specific values. Values are interpreted as Zero (false) or nonzero (true). The Logic menu can be accessed by pressing [2ND] [TEST] [►]. LOGIC • and...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34774
Solution 34812: Percent (%) Operator on the TI-83 Plus and TI-84 Plus Family.
...rate exactly how to perform some percentage-related calculations: Example - Percentage: Calculate 5% of 250. 1) Press [5] [÷] [1] [0] [0] [ENTER] to find the percentage in decimal format. 2) Press [2] [5] [0] [×] [.] [0] [5] [ENTER]. Example - Ratio: Calculate the ratio of 250 to 5. 1) Press [2...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34812
Solution 34756: Deleting Calculator Software Applications (Apps) From the Flash ROM on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...the [Up Arrow] or [Down Arrow] keys to place the cursor in front of the App that needs to be deleted and then press [del]. • A prompt will ask for confirmation, press [2] to select 2: Yes and the App will be removed from memory. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for addit...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34756
Solution 11949: Creating Images for the Start-Up Customization Application on the TI-83 Plus and TI-84 Plus.
...[2ND] [DRAW]. 2) Press [↑] [ENTER] to access A: Pen. 3) If the axis is not desired to be shown, press [2ND] [FORMAT] [↓] [↓] [↓] [→] [ENTER]. Repeat first two steps. 4) Place the cursor on the point where to begin drawing. Press [ENTER] to turn on the pen, and then just move the cursor. As the c...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11949
Solution 10432: Generating a Recursive Sequence on the TI-86.
... Knowledge Base Search How can I generate a recursive sequence on the TI-86? A recursive sequence is a sequence where each term is defined by its relation with the previous one, except for the first term. The TI-86 calculator does not have the capability to graph recursive sequen...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/10432
Solution 34754: Calculating nth Powers and nth Roots on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...handheld will evaluate -22 as (-4). Thus, negative values will need to be enclosed in parentheses to compute the desired solution of 4. nth Roots To find the nth root of a number, use the nth root command (x√). To input the nth root command, press [MATH] [5]. Example: Find the 5th root of 16807....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34754
Solution 34877: Calculating Hypergeometric Probability Distributions on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
... Search How do I calculate a hypergeometric probability distribution on the TI-84 Plus CE and TI-84 Plus C Silver Edition? There is no pre-defined function in the calculator that will find the statistical values for a hypergeometric probability distribution. However, users can enter the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34877
Solution 34717: Graphing Angle Measures on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... the graphing window values and reduce distortion.4) Press [Y=] to enter the Y= editor.5) Enter the following for X1T and Y1T. These equations will define the "base line" to enter "T" press the [X,T,θ,n] key. X1T=T Y1T=0 6) Enter the following for X2T and Y2T. Please Note: This example uses 20° a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34717
Solution 12032: Making Graphics Appear In the Start-Up Customization App on the TI-83 Plus and TI-84 Plus.
...ENTER] key. • Choose the Time to have the picture stay up 2 seconds, 5 seconds, or until a key press, press the [ENTER] key. • Scroll down to FINISH, press the [ENTER] key. The next time the calculator is turned On, the graphic will be displayed. For more instruction on using Start-Up...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12032
Solution 13322: Using the RandInt() Function on the TI-84 Plus and TI-83 Plus.
..., if you have not previously, by following the steps in KB#34503. The randInt() function generates and displays a random integer within a range specified by lower and upper integer bounds for a specified number of trials. The syntax for the randInt() function is listed below. randInt( lower,uppe...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13322
Solution 39518: Compatibility of Programs Written for the TI-83 Plus, TI-84 Plus and TI-84 Plus C Silver Edition Running on the TI-84 Plus CE.
...TI-84 Plus CE? Some TI Basic programs for the TI-83 Plus and TI-84 Plus will run on the TI-84 Plus CE. Please Note: Many Programs will have to be modified for writing to the graph area as the resolution of the TI-84 Plus CE is higher then the TI-83 Plus and TI-84 Plus. TI-84 Plus C Silver Edition...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/39518