Percents – Sharp EL-9900 User Manual
Page 5
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3
Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Press to access the calculation screen.
Mixtures contain two or more components. Percents are often used to
express the amount of a component in a mixture.
1. Find 30% of 400.
STEP 1:
Enter 400 by pressing 4 0 0 .
STEP 2:
Multiply by pressing the
× key.
STEP 3:
Enter 30% by pressing 3 0
2ndF % ENTER .
The answer is 120.
2. Find what percent of 500 is 150.
STEP 1:
Enter 150 by pressing 1 5 0 .
STEP 2:
Divide by pressing the
÷ key.
STEP 3:
Enter 500 by pressing 5 0 0 .
STEP 4:
Calculate by percentage by pressing
2ndF % ENTER .
The answer is 30%.
PERCENTS
Ч
+ –
ч
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