Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.
... Knowledge Base Search How do I calculate and graph 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 E...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34506
Solution 12015: Algorithm Used to Calculate Xscl When Plotting a Histogram on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...n be accessed by pressing [WINDOW]. Xscl is calculated using the following formula: (Xmax - Xmin) / N where: N = INT(1 + log(dim) / log(2)) For example, if plotting a histogram using the following list: {1,2,3,4,5,6,7,8,9,10} Xmax = 10 Xmin = 1 dim (dimension of list) = 10 N = INT(1 + log(...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12015
Solution 12009: Calculating Variance on the TI-83 Plus Family of Graphing Calculators.
...it unless a 1-Var or 2-Var Stats analysis is performed first. Without a value stored to sx, calculating sx2 will result in an "UNDEFINED" error. For example: Using the data {170, 300, 430, 470, 600} find the variance. 1) Press [STAT] followed by [ENTER]. 2) Enter in 170 and press [ENTER]. 3) Foll...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.
... provided are only from a single cycle of the sine wave. A minimum of two points from two cycles of the sine wave are needed to generate an answer. Example: Matrix A, shown below, has a determinant of 0. The determinant is shown by using the det command. Here we attempt to find the inverse, s...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.
...nd TI-83 Plus? The numeric "Solver" is used to solve equations in the form 0=; therefore, any equation that is entered would need to equal zero. The example below will demonstrate how to use the numeric Solver feature. Example: Solve 4x-8=0 To Solve: 1) Press [MATH] [ALPHA][B] If no equation i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12006
Solution 34651: Graphing Histograms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Knowledge Base Search How do I graph a histogram on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following example will demonstrate how to graph a histogram. Data for this example: xStat: {2,4,6,8} frequency: {7,8,4,9} Enter the data: 1) Press [stat]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34651
Solution 34497: Creating and Viewing a Residual List on the TI-84 Plus family of graphing calculators.
...lculated, these residuals are automatically stored within a list called RESID. To view the RESID list, place it into a list in the List editor. For example: Caculate a linear regression for the following values: L1: {1, 2, 3, 4, 5, 6} L2: {2, 4, 6, 8, 9, 12} 1) Press [STAT] [1]. 2) Press [Up...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.
...ulate a 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 m...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34652
Solution 34653: Performing String Operations on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ations that can be performed with strings: 1. Concatenation. Concatenation means putting strings one after another and making them one string. For example, if string1 is "abc" and string2 is "def", then string1+string2 is a new string "abcdef". To concatenate two or more strings, follow the st...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34653
Solution 34654: Graphing a Polar Rose on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ase Knowledge Base Search How do I graph a polar rose on the TI-83 Plus and TI-84 Plus family of graphing calculators? The example below will demonstrate how to graph a polar rose: Please Note: For this example, the graph mode setting will need to be changed to Polar gr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34654
Solution 34473: Calculating Variance on the TI-84 Plus Family of Graphing Calculators.
...it unless a 1-Var or 2-Var Stats analysis is performed first. Without a value stored to sx, calculating sx2 will result in an "UNDEFINED" error. For example: Using the data {170, 300, 430, 470, 600} find the variance. • Press [STAT] followed by [ENTER] • Enter in 170 and press [ENTER] • Follow th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34473
Solution 34799: Calculating the Confidence Interval for Slope on the TI-84 Plus Family of Graphing Calculators.
...ate the confidence interval for slope on the TI-84 Plus family of graphing calculators? To calculate the confidence interval for a slope follow the example below: Example: L1: {4,5,6,7,8} L2: {1,2,3,3.5,4.5} Solution: • Press [STAT] [ENTER] to enter the STATS editor. • Press [4] [ENTER] [5] [ENT...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34799
Solution 11978: Performing Unit Conversions Using Science Tools Application on TI-83 Plus Family or TI-84 Plus Family Graphing Calculators.
...e type of unit your value represents to and then press the [ENTER] key. 7) Last select the units to convert to and then press the [ENTER] key. For example: To convert 6 feet to meters: 1) Press the [1] key to select Length. 2) Input the number 6 which is our feet. 3) Using the arrow key...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11978
Solution 34794: Inputting Absolute Values on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e instructions 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 [(-...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34794
Solution 34500: TI TestGuard™ Application for the TI-84 Plus and TI-84 Plus C Silver Edition Validation Feature Information.
...lidation feature?a. If you suspect that a calculator may not have authentic TI software including the functionality you expect it to have (as for an exam), then you may want to run this feature to validate that the software is TI authentic (or official TI software). The TI Validation takes a few...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34500
Solution 11966: Graphing Inequalities on the TI-83 Plus and TI-84 Plus.
...uality to be directly entered into the calculator. However, the graph styles feature can be utilized to show the solution set for an inequality. The example below will demonstrate how to graph a simple inequality using these features. Example: Graph y<=3x+2 1) Press the [Y=] key For Y1=, input 3...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11966
Solution 34774: Using Boolean Logic on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...eal numbers, expressions, or lists. The syntax for each is listed below. • ValueA and valueB • ValueA or valueB • ValueA xor valueB • not(valueA) Example: Perform the operations below. 7 and 15 7 or 15 7 xor 15 not(15) • Press [7] [2ND] [TEST] [►] [1] [1] [5] [ENTER] • Press [7] [2ND] [TEST...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.
... number to a percentage, simply divide that number by 100. Likewise, to convert a percentage to a number, multiply that number by 100. The following examples demonstrate exactly how to perform some percentage-related calculations: Example - Percentage: Calculate 5% of 250. 1) Press [5] [÷] [1] [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34812
Solution 34771: Calculating Sine, Cosine, and Tangent on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...dge Base Search How do I calculate sine, cosine, and tangent on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following examples will demonstrate how to compute sine, cosine, and tangent. Please Note: For these examples, the calculator's angle setting will need to be ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34771
Solution 34851: Finding Days Between Dates on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...rough 2079 on the latest version of OS. date1 and date2 can be entered in either of the two formats below: • MM.DDYY United States • DDMM.YY Europe Example: Find the number of days between 12/20/1988 and 12/20/2006: 1) Press [APPS] [1] [ALPHA] [D]. 2) Press [1] [2] [.] [2] [0] [8] [8] [,]. 3) P...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34851
Solution 34856: Computing Future Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Knowledge Base Search How do I calculate future value on the TI-83 Plus and TI-84 Plus family of graphing calculators? The example below will demonstrate how to calculate future value on the TI-83 Plus and TI-84 Plus family of graphing calculators. Example: A savings acc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34856
Solution 34755: Performing Vector Calculations in Polar Form on the TI-84 Plus and TI-84 Plus C Silver Edition.
... Knowledge Base Search How do I perform vector calculations in Polar form on the TI-84 Plus and TI-84 Plus C Silver Edition? The example below will demonstrate how to perform vector calculations in Polar form. NOTE: For this example, the mode settings will need to be changed. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34755
Solution 10432: Generating a Recursive Sequence on the TI-86.
...s not have the capability to graph recursive sequences. However there is a way to find the different elements of the sequence. Please refer to the example below: Example: Generate the sequence defined by a(n)=a(n-1)+2 and for which the first element a(1)=5. • On the Home screen, enter {1, 5} ...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.
...ing calculators? To calculate nth powers and nth roots using the on the on the TI-83 Plus and TI-84 Plus family of graphing calculators, follow the examples below: nth Powers To raise a number by an exponent, use the caret key labeled as [^]. Example: 34 = ? • Press [3]. • Press [^]. • Press [...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.
...ts for this type of distribution into the calculator. The instructions below describe how to find P(1) of a hypergeometric probability distribution. Example: Find P(1) when N = 12, n = 4, and k = 3 Since P(x) = {C(k, x) × C(N-k, n-x)} ÷ C(N, n) With substitution, P(1) = {C(3, 1) × C(12-3, 4-1)} ÷...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34877