Sharp EL-W516B

Calculator Activity
BASIC ARITHMETIC
OBJECTIVE:
To perform basic operations by developing a sequence of numbers.
Performing a specified operation repeatedly can generate a sequence of
numbers. For example, if you start with the number 4 and add 2
repeatedly you will generate the sequence

10
,
8
,
6
,
4
1. Add 13 to 54 twice:
STEP 1: Enter 13 by pressing
.
STEP 2: Add by pressing
.
STEP 3: Enter 54 by pressing
.
STEP 4: Find the first sum by pressing
.
STEP 5: Add 13 again by pressing
.
2. Subtract
9 from 32 once.
STEP 1: Enter 32 by pressing
.
STEP 2: Subtract by pressing
.
STEP 3: Enter 9 by pressing
.
STEP 4: Find the difference by pressing
.
3. Multiply
-
2 by 5 three times.
STEP 1: Enter
–
2 by pressing
followed by
.
STEP
2: Multiply by pressing
.
STEP 3: Enter 5 by pressing
.
STEP 4: Find the first product by pressing
.
STEP 5: Multiply by 5 again by pressing
.
STEP 6: Multiply by 5 a third time by pressing
.
10