65
12
+(
3.5
)=
Keying in Negative Numbers ( & )
The
key changes the sign of a number.
&
To key in a negative number, type that number, then press
To change the sign of an already displayed number (it must be the
rightmost number), press
Keys:
75
&
7.1
v
*
=
Using the Menu Keys
The calculator usually displays a set of labels across the bottom of the
display. The set is called a menu because it presents you with choices.
The MAIN menu is the starting point for all other menus.
22
1: Getting Started
/
&
.
Display:
Use parentheses to impose
an order of calculation.
&
Description:
Changes the sign of 75.
Multiplies -75 by 7.1.
.
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