Doing Arithmetic
v
The "
" in the margin is a reminder that the example keystrokes are
for ALG mode.
This is a brief introduction to doing arithmetic. More information on
arithmetic is in chapter 2. Remember that you can erase errors by
pressing
or
<
To calculate 21.1 + 23.8:
Keys:
21.1
+
23.8
=
Once a calculation has been completed, pressing another digit key
starts a new calculation. On the other hand, pressing an operator key
continues the calculation:
77.35
-
90.89
=
65
@v*
=
/
3.5
=
You can also do long calculations without pressing
intermediate calculation—just press it at the end. The operators perform
from left to right, in the order you enter them. Compare:
65
12
+
/
3.5
=
File name : English-M02-1-040308(Print).doc
.
C
Display:
12
65 + 12
and
3.5
Print data : 2004/3/9
Description:
=
completes calculation.
Calculates 77.35 – 90.89
New calculation:
65 x 12.
Calculates 96.75 ÷ 3.5.
after each
=
12
65 +
3.5
Operations occur in the
order you see them.
1: Getting Started
21