Mike's Database Place

sh Math

Coding

Bourne Shell

bc

awk

Add

expr 6 + 4

echo $((6 + 4))

awk 'BEGIN { print (6 + 4) }'

echo "6+4"|bc

10

10

10

10

Subtract

expr 6 - 4

echo $((6 - 4))

awk 'BEGIN { print (6 - 4) }'

echo "6-4"|bc

2

2

2

2

Divide

expr 6 / 4

echo $((6 / 4))

awk 'BEGIN { print (6 / 4) }'

echo "6/4"|bc

echo "scale=1;6/4"|bc

echo "scale=2;6/4"|bc

1

1

1.5

1

1.5

1.50

Multiply

echo $((6 * 4))

awk 'BEGIN { print (6 * 4) }'

echo "6*4"|bc

24

24

24

Bibliography

https://vitux.com/how-to-do-basic-math-in-linux-command-line/https://www.shell-tips.com/bash/math-arithmetic-calculationhttps://stackoverflow.com/questions/5688576/how-to-use-mod-operator-in-bashhttps://www.tutorialspoint.com/awk/awk_arithmetic_operators.htm

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