General form:

EXXXXXXX n+ n- vol='expr'

Examples:

E41 4 0 vol = 'V(3)*V(3)-Offs'

Expression may be an equation or an expression containing node voltages or branch currents (in the form of i(vm)) and any other terms as given for the B source and described in Chapt. 5.1. It may contain parameters (2.8.1) and the special variables time, temper, hertz (5.1.2). ' or { } may be used to delimit the function.