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The
Key
The
key is used with:
B Two-number functions, to enter the first number (see "Two-Number
Functions," below).
B Two-variable statistics, to enter the x-value (see page 61).
m
and [SOLVE], to enter equations and store values into vari-
ables (see page 73).
Introduction to the Math Functions
Many of the math functions are visible on the keyboard. Menus in-
crease the number of available functions. Chapter 3 describes the
numeric functions in more detail.
One-Number Functions. Math functions involving one number use
the number you most recently keyed in.
Keys:
Display:
Description:
89.25
9.4472
Calculates \/89.25 .
3.57
2.36
+0.4237
Calculates Y2.36.
(=)
39937
Completes the
calculation.
180 @B D~RAD
Converts 180° to
{*RAD}
31416
radians.
Two-Number Functions. When a function requires two numbers,
they are entered by the keystrokes number,
number,. Pressing
displays a colon to separate the two numbers.
1: Getting Started
21
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