https://en.wikipedia.org/wiki/Bc_(programming_language)#Using_bc_in_shell_scripts https://en.wikipedia.org/wiki/Bc_(programming_language)#Usin... $ bc -l <<<

https://en.wikipedia.org/wiki/Bc_(programming_language)#Using_bc_in_shell_scripts https://en.wikipedia.org/wiki/Bc_(programming_language)#Usin... $ bc -l <<< 2^16 65536 $ bc -l <<< 2*16 32 $ bc -l <<< 2+16 18