Solution 34926: Functionality of the Function Keys [F1 - F5] on the TI-84 Plus C Silver Edition Graphing Calculator.
What purpose do the function keys [F1 - F5] serve on my graphing calculator and how are they used?
The function keys [F1 - F5] are used to access certain menus and commands.
Pushing [F1 - F4] will open a shortcut menu for commonly used functions.
F1 will open a shortcut for common fraction operations. These include: creating fractions, mixed numbers, converting fractions to mixed numbers, and converting fractions to decimals.
F2 will open a shortcut for common math operations. These include: absolute value, summation, derivative at a point, integrals, logs with alternate bases, radicals with alternate roots, nPr, nCr, and factorials.
F3 will open a shortcut for creating matrices. It will have options for rows and columns, to change the size of the created matrix.
F4 will open a shortcut for accessing Y-variables used for storing functions. These functions can be viewed by pushing the [Y=] button.
Please Note: Some calculator software applications (apps) will display "softkeys" on the screen that will correspond to these function keys. Also, keep in mind that on some graphing calculator models, the [ALPHA] key must be pressed prior to accessing these function softkeys.
For additional information, refer to the TI-84 Plus C Silver Edition guidebook.