Doing Arithmetic - HP 17bll+ User Manual

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
< C
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 12
@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
=
.
Display:








65 + 12
and
3.5


Description:
completes calculation.
=
Calculates 77.35 – 90.89
New calculation:
65 x 12.
Calculates 96.75 ÷ 3.5.
=
12
65 +
3.5
Operations occur in the
order you see them.
1: Getting Started
after each
21