To install Math::Symbolic::Custom::ErrorPropagation, simply copy and paste either of the commands in to your terminal

cpanm

                    cpanm Math::Symbolic::Custom::ErrorPropagation

CPAN shell

                    perl -MCPAN -e shell
                    install Math::Symbolic::Custom::ErrorPropagation

For more information on module installation please visit the detailed CPAN module installation guide.