# Arithmetic Operation

OPERATORS Symbol in Computer

Addition +

Subtraction -

Multiplication *

Division /

Power / Raise ^

Rules in Arithmetic Operation

1. Priorities:

First: Power / Raise

Second: Multiplication or Division

Third: Addition or Subtraction

2. When operations are in equal priorities, the computer perform

from left to right.

example: 3 - 5 + 4 - 3

= -2 + 4 - 3

= 2 - 3

= -1

3. When operation are in different priorities, the computer

performs those operations with higher priorities first.

example: 3 + 5 ^ 2

= 3 + 25

= 28

4. Operations inside the parentheses must performs first.

example: 2 ^ ( 2 + 5 - 4 / 2 )

= 2 ^ ( 2 + 5 - 2 )

= 2 ^ ( 7 - 2 )

= 2 ^ ( 5 )

= 32

5. No to operators must place side by side.

example: 3 - + 5 are erronous

Assignment:

Perform the indicated operation:

1. 3 + 5 * 4 - 7

2. 4 ^ 2 / 2 * 2 -2

3. 4 + ( 5 * 7 + (1 - 2 / 2 ) )

4. 2 + ^ 3

5. 2 ^ 2 * 2 / 2 + 2 - 2

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