yacas
Yet Another Computer Algebra System. tldr-pages
On several platforms
Several platforms
Start an interactive yacas session
yacasIdentify[Interactive] While in a yacas session, execute a statement
Integrate(x)Cos(x);[Interactive] While in a yacas session, display an example
Example();[Interactive] Quit from a yacas session
quitExecute one or more yacas scripts (without terminal or prompts), then exit
yacas -p -c path/to/script1 path/to/script2 ...IdentifyExecute and print the result of one statement, then exit
echo "Echo( Deriv(x)Cos(1/x) );" | yacas -p -c /dev/stdinIdentify