Ravi Sir's Cards › AWS
$(( )) vs bc
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Maths
$(( ))
Built in integers.
bc
Calculator with decimals.
Key points
Fast, no process.
Set scale for decimals.
Example
echo $((7/2))
Use when
Counters, loops.
Money, percentages.