Getting
Started
3
a number on the stack or duplicate it.
The Equals Key
The Equals key,
=
, is used at the end of a mathematical operation to cal-
culate the final result. For example, pressing
1+2=
in Alge-
braic mode returns a final result of 3.
The
=
key, when pressed outside of a mathematical operation, also
allows you to request a calculation for the value of an item. This request only
applies to items that can be calculated.
The On
Key
Pressing the On key,
O
, one time cancels current number entries,
mathematical operations, or a menu selection, in that order.
Pressing
O
repeatedly when performing multiple operations cancels one
operation at a time, from the latest to the earliest. For information on resetting
the calculator with the Reset menu, refer to the section below titled,
The Reset
Menu
.
Two Line Display
There are two lines in the display screen as shown in Figure 2.
Figure 2 Display Screen
