Powers and roots – Sharp EL-9900 User Manual
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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.
1. Calculate 15
2
.
STEP 1:
Enter 15 by pressing 1 5 .
STEP 2:
Square by pressing the x
2
key.
STEP 3:
Calculate by pressing the ENTER key.
The answer is 225.
2. Calculate 3
4
.
STEP 1:
Enter 3 by pressing 3 .
STEP 2:
Exponentiate by pressing the a
b
key.
STEP 3:
Enter 4 by pressing 4 .
STEP 4:
Calculate by pressing the ENTER key.
The answer is 81.
3. Calculate
√
196.
STEP 1:
Enter the square root by pressing 2ndF
√ .
STEP 2:
Enter 196 by pressing 1
9 6 .
STEP 3:
Calculate by pressing the ENTER key.
The answer is 14.
POWERS AND ROOTS
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