25
24
B. General calculation functions
1. Multiplication
Question:
20
M
15
Solution:
Align 20 on the outside scale with
X
10
on the inside scale, and read
the outside scale at the 30 mark which is aligned with 15 of the
inside scale. Figure the number of decimal places, and the answer
is 300. Remember: decimal places cannot be read on this scale.
2. Division
Question:
250/20
Solution:
Align 25 on the outside scale with 20 on the inside scale. On the
outside scale read the 12.5 mark that is aligned with
X
10
on the
inside scale. figure the number of decimal places, and the answer is
12.5.
