+.BI factor( expression )
+\- factorizes an expression (univariate)
+.br
+.BI find( expression ", " pattern )
+\- returns a list of all occurrences of a pattern in an expression
+.br
+.BI fsolve( expression ", " symbol ", " number ", " number )
+\- numerically find root of a real-valued function within an interval
+.br