ExpressionExplanationWidget 0 0 417 421 Form <html><head/><body><p><span style=" font-weight:600;">Custom Expression</span></p><p>Create your own math function by defining a custom expression that is applied to the data. Depending on the input domain, the expression works in the time or frequency domain.</p><p><br/></p></body></html> true Qt::Vertical 20 251