Tag: bc
BASH as a simple calculator
by Mostafa on Sep.25, 2006, under How To ..., Linux, Software
As long as you are satisfied with integer results:
[darkknight@darkworld ~]$ echo $[32 * 98] 3136 [darkknight@darkworld ~]$ echo $[332 / 98] 3 [darkknight@darkworld ~]$ echo $[29 + 56] 85 [darkknight@darkworld ~]$ echo $[29 - 156] -127
For full precision, one can use bc:
$ bc -l bc 1.06 Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc. This is free software with ABSOLUTELY NO WARRANTY. For details type `warranty'. 332/98 3.38775510204081632653