Texas Instruments TI-34 II Teachers Guide - Page 131

Quick Reference to Keys (Continued) A Key z Function Displays the following menu of variables. A B C D E Lets you view the stored value before pasting it to the display. % ' Turns off the calculator and clears the display. & Turns on the calculator. %n Stores an operation for later recall. m Recalls and displays the operation stored in m. %p Stores a second operation for later recall. o Recalls and displays the operation stored in p. H % h Displays the following menu of functions: nPr Calculates the number of possible permutations. nCr Calculates the number of possible combinations. ! Calculates the factorial. RAND Generates a random 10-digit real number between 0 and 1. RANDI Generates a random integer between 2 numbers that you specify. Separate the 2 numbers with a comma. Recalls the stored values to the display. %  Displays the RESET menu. RESET: N Y Press < when N (no) is underlined to return to the previous screen without resetting the calculator. Press < when Y (yes) is underlined to reset the calculator. The message MEM CLEARED is displayed. Also, press & and - simultaneously to reset the calculator immediately. No menu or message is displayed. % k Displays the following menu that lets you convert rectangular coordinates (c,y) to polar coordinates (r,q) or vice versa. R4Pr Converts rectangular coordinate to polar coordinate r. R4Pq Converts rectangular coordinate to polar coordinate q. P4Rc Converts polar coordinate to rectangular coordinate c. P4Ry Converts polar coordinate to rectangular coordinate y. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers A-4