calc

Calc is a package that provides the tools to evaluate simple numerical expressions

currently calc support addition and subtraction only

Build the application

Use make command.

foo@bar:~$ make build

Run command from .bin directory

foo@bar:~$ ./bin/calc -i "5+2"
foo@bar:~$ ./bin/calc -i "20 + -20 + 30 - -30"
foo@bar:~$ ./bin/calc -i "-20 + -20 + 30 - -30"

Run apps using help flag for detail instructions

foo@bar:~$ ./bin/calc help