P→R

Member Of Menu: 
Trig
Complex
Argument Types: 
Real
Complex
Symbol
Expression
Result Type(s): 
Real
Complex
Expression
Invertible: 
No
Valid In Expression: 
Yes
Stack Diagram: 
Real1 Real2
Complex1 Complex2
Symbol1 Expression2
Expression1 Expression2

This function takes a complex value expressed in polar coordinates, a radius and an angle, and returns a complex value expressed in rectangular coordinates. Note that if a real value is passed into this function, that same real value is returned.