Section 1: Getting Started 15
The v Key. If one of the numbers you need for a two-number function is
already in the calculator as the result of a previous operation, you do not need to
use the v key. However, when you must key in two numbers before
performing a function, use the v key to separate the two numbers.
To place two numbers into the calculator and perform a two number function
such as 2 ÷ 3:
1. Key in the first number.
2. Press v to separate the first number from the second.
3. Key in the second number.
4. Press the function key(s).
Keystrokes Display
2
2.
v
2.0000
3
3.
÷
0.6667
Now try this problem. Notice that you have to press v to separate
numbers only when they are being keyed in one immediately after the other. A
previously calculated result (intermediate result) will be automatically separated
from a new number you key in.
To solve (9 + 17 − 4 + 23) ÷ 4:
Keystrokes Display
9v
9.0000
17+
26.0000
(9 + 17).
4-
22.0000
(9 + 17 − 4).
23+
45.0000
(9 + 17 − 4 + 23).
4÷
11.2500
(9 + 17 − 4 + 23) ÷ 4.
Even more complicated problems are solved in the same simple manner—using
automatic storage of intermediate results. (For problems with nested
parentheses, refer to Chain Calculations, page 24.)
Example: Solve (6 + 7) × (9 − 3).
First solve for the intermediate result of (6 + 7):
Keystrokes Display
6
6.
v
6.0000
7
7.
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