Sharp EL-120 User Manual download pdf (Page 8)

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

1. Calculate 15

STEP 1: Enter 15 by pressing 1 5 .

STEP 2: Square by pressing the x

key.

STEP 3: Calculate by pressing the ENTER key.

The answer is 225.

2. Calculate 3

STEP 1: Enter 3 by pressing 3 .

STEP 2: Exponentiate by pressing the a

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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Sharp EL-120 User Manual Page 8