Texas Instruments TI-30X Teachers Guide - Page 51

Memory 7 Keys 1. L displays the following menu of variables. A B C D E Lets you select a variable in which to store the displayed value. The new variable replaces any previously stored value. rand Lets you set a seed value for random integers. 2. z displays the following menu of variables. A B C D E Lets you view the stored value before pasting it in variable form to the display. 3. % { clears all variables. 4. % h displays the following menu of variables. A B C D E Lets you view the stored value before pasting it to the display. Notes • The examples on the transparency masters assume all default settings. • You can store a real number or an expression that results in a real number to a memory variable. • When you select a variable using z, the variable name (A, B, C, D, or E) is displayed on the entry line. When you select a variable using % h, the value of the stored variable is displayed on the entry line. • Resetting the calculator clears all memory variables. • For more about rand, see Chapter 11, Probability. 3 2 4 1 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 47