bc linux command

You may be using bc command in command line for calculations. It can also be used for batch mode calculations as explained below.


Syntax
bc [-c] [-l] [file]




To perform addition using bc command

echo "56.8 + 77.7" | bc

Another way of executing bc calculation

bc <<< 4+2

Let say you want to convert decimal to hexadecimal, you can do this.

echo "obase=16; ibase=10; 56" | bc

A simply way to do calculation with floating point

echo 2/5 | bc -l