4Rect; 4Polar - Texas Instruments TI-83 Manual Book

4Rect

(display as rectangular) displays a complex result in rectangular
4Rect
form. It is valid only at the end of an expression. It is not valid if the result
is real.
returns + .
complex result 8Rect
a bi

4Polar

(display as polar) displays a complex result in polar form. It is valid
4Polar
only at the end of an expression. It is not valid if the result is real.
returns r e^( q i ) .
complex result 8Polar
TI-83 Plus Math, Angle, and Test Operations 91