Basic Arithmetic - Sharp EL-9900C User Manual

BASIC ARITHMETIC

+ –
Press to access the calculation screen.
× ÷
1. Add 9 to 27 twice.
STEP 1:
STEP 2:
STEP 3:
STEP 4:
STEP 5:
2. Multiply
STEP 1:
STEP 2:
STEP 3:
STEP 4:
STEP 5:
STEP 6:
Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Enter 27 by pressing
Add by pressing the + key.
Enter 9 by pressing 9 .
Find the first sum by pressing the ENTER key.
Add 9 again by pressing +
3
5
to . Then, convert to a decimal.
4
2
3
Enter by pressing 3
4
Multiply by pressing the × key.
5
Enter by pressing 5
2
Find the product by pressing ENTER .
Convert to an improper fraction by pressing ➞ b /c
Convert to a mixed number by pressing ➞a b /c
2 7 .
9 ENTER .
a /b
4 .
a /b
2 .
1
ENTER .
ENTER .