Yet Another Computer Algebra System. More information: https://www.yacas.org.
yacas session:yacas
yacas session, execute a statement:{{Integrate(x)Cos(x)}};
yacas session, display an example:{{Example()}};
yacas session:{{quit}}
yacas scripts (without terminal or prompts), then exit:yacas -p -c {{path/to/script1}} {{path/to/script2}}
echo "{{Echo( Deriv(x)Cos(1/x) );}}" | yacas -p -c /dev/stdin