
Example 1: To calculate SIN(10), press 10, and then press . The answer displayed is –
0.544… (if your angle measure setting is radians).
Example 2: To nd the square root of 256, press 256 and press . The answer
displayed is 16. Notice that the
key initiates the operator represented in blue on the next key pressed
(in this case √ on the key).
The mathematical functions not represented on the keyboard are on the Math, CAS, and Catlg menus.
NOTE: The order in which you enter operands and operators is determined by the entry mode. By default,
the entry mode is textbook, which means that you enter operands and operators just as you would if you were
writing the expression on paper. If your preferred entry mode is Reverse Polish Notation, the order of entry is
dierent.
12 Chapter 2 Getting started
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