calgebra -V (return code: 1)
File not found: "--version"
calgebra --help (return code: 0)
This is KAlgebra console version
Use: calgebra [Options] ...
--evaluate: Tries to simplify symbolically before calculating
--calculate: Calculates straight away. If some symbol is missing, it will fail
--print-time: Outputs the ellapsed time of an operation
--help: will print this help
... files that will be executed first