Solution 11945: Correcting the Error Message Waiting...Please Install Calculator Software Now on a TI-83 Plus Family.
...the picture of the Texas Instruments' graphing calculator. 8) Follow the instructions from the "Alert" window before clicking the "Proceed" button. Alternative Option: If the steps above fail or a TI Connectivity cable is not available, the operating system can also be restored using another cal...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.
...l is calculated with respect to the variable, given a lower limit, upper limit and a tolerance. Tolerance is optional and if not specified it is defaulted to 1E-5. The TI-84 Plus family of graphing calculators display a template when in MATHPRINT MODE but while in this model Tolerance cannot be e...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.
...l is calculated with respect to the variable, given a lower limit, upper limit and a tolerance. Tolerance is optional and if not specified it is defaulted to 1E-5. The syntax for the fnInt command is below: fnInt(expression, variable, lower, upper[,tolerance]), between lower and upper, with speci...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.
...rdered pair. For Example: Convert polar coordinates (1, p) to rectangular coordinates using P►Rx( and P►Ry( 1) Press [MODE]. 2) Press [Down Arrow] multiple times until "RADIAN" is selected. 3) Press [ENTER] [2ND] [QUIT]. 4) Press [2ND] [ANGLE] [7]. 5) Press [1] [ , ] [2ND] [ℼ] [ ) ]. 6) Press [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34507