Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... changed to DEGREE mode. • Press the [MODE] key. • Scroll down to "RADIAN", scroll right to highight "DEGREE" and press [ENTER]. • Press [CLEAR] to return to the home screen. Example: Calculate the inverse sine (arcsine) of .5. Press [2nd] [SIN], input .5, then press [ ) ] [ENTER]. Example: Calc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34422
Solution 32331: Locating Contact Information for Distributors in Latin America.
...ributors for Latin America. Note: If you are having an issue with a graphing handheld please see Troubleshooting a TI Graphing Handheld That Will Not Turn On. If resets do not work, please contact the distributor closest to your location for replacement options. Solution 32331: Locating Contact ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/32331
Solution 21690: Multiplying a Matrix Row by a Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...with zeros. 3) Input the first, second and third rows from the example values given. 4) Once all values have been entered, press [2nd] [MODE] to return to the home screen of the calculator. 5) Press [2nd] [MATRIX], scroll over to MATH, scroll down to E: *row( and press [ENTER]. This will past...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/21690
Solution 11945: Correcting the Error Message Waiting...Please Install Calculator Software Now on a TI-83 Plus Family.
...I Tools >> TI Connect >> TI OSDownloader 3) Follow the on-screen directions to reinstall the calculator's OS. If the message "Error! Press any key to turn unit off. Then turn unit back on." appears on the graphing calculator, quickly, remove one battery from the calculator and reinstall it while ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11945
Solution 34694: Using the fnInt Function Integral Command on the TI-84 Plus Family of Graphing Calculators.
...nowledge Base Search How do I use the fnInt Function Integral command on the TI-84 Plus family of graphing calculators? The fnInt command returns the numerical integral of an expression with regards for real numbers only. The numerical integral is based on the Gauss-Kronrod method. The ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34694
Solution 13341: Using the fnInt Function Integral Command on the TI-83 Plus Family of Graphing Calculators.
... Knowledge Base Search How do I use the fInt Function Integral command on the TI-83 Plus family of graphing calculators? The fnInt command returns the numerical integral of an expression with regards for real numbers only. The numerical integral is based on the Gauss-Kronrod method. The ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13341
Solution 34507: Performing Polar and Rectangular Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ctangular coordinates to polar coordinates using R►Pr( and R►Pq(. 1) Press [2ND] [ANGLE] [5]. 2) Press [(-)] [1] [ , ] [0] [)]. 3) Press [ENTER] to return the answer 1. 4) Press [2ND] [ANGLE] [6]. 5) Press [(-)] [1] [ , ] [0] [)]. 6) Press [ENTER] to get the result 3.141592654. Please see the TI...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34507
Solution 29430: File Types That Can Be Sent to a Calculator
... TI-89 Titanium, Voyage™ 200 Application Variables (LearningCheck™, StudyCards™, CellSheet™, NoteFolio™) .8xv .89y,...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/29430
Exponential Reflections - 84
In this activity for the TI-84 family, students will investigate the inverse of an exponential function by observing a scatterplot. Students will determine that the inverse of an exponential function is a logarithmic function.https://education.ti.com/en/activity/detail/exponential-reflections_84
Solution 12192: Graph of Certain Functions in Polar Mode Displays Negative Values on TI Graphing Calculators.
...nding on which direction the rotation goes. Most calculus books say that r must be positive. The reason is that calculus deals with real-life type situations. In the real world, it doesn't make much sense to say that something has negative radius, so the negative radius is usually converted to a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12192
Solution 11989: Solving a Quadratic Equation Using Numeric Solver on the TI-83 Plus and TI-84 Plus.
...lve a quadratic equation using Numeric Solver on a TI-83 family, TI-84 Plus family or TI-Nspire handheld in TI-84 Plus mode? The numeric "Solver" feature is limited to solving for only one solution at a time. Because there are generally two solutions for a quadratic equation, two different guess...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11989
Solution 11931: Calculating and Graphing Quadratic Regressions on the TI-83 Plus.
...] to access the STAT list editor. 2) Input the data in the L1 and L2 lists, pressing [ENTER] after each number. 3) Press [2nd] [MODE] to QUIT and return to the home screen. To calculate the quadratic regression (ax2+bx+c): 4) Press [STAT] to access the STAT menu. 5) Scroll right to highlight...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11931
Solution 11929: Calculating P-value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... (mm0). This integral does not have a closed form so an incomplete Beta Function is used.To arrive at the incomplete Beta Function, begin with the Student's Distribution Probability Function:A(t|v) = (1/(v^(1/2)*B(1/2,v/2))) * integral(1+ (x^2)/v)^(-(v+1)/2)) dx) from -t to t where, B is the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11929