Casio fx-991EX - Complex Form and Polar Form

fx-991EX Quick Start Guide12
COMPLEX FORM AND POLAR FORM
To convert a complex number into polar form, press
2+5bUiR1(: r∠q)p.
To convert any polar form of a complex number, use the r theta
command or type in the angle in polar form.
Press C2qbZ330iR
2(: a+bi)p.
Alternately, simply type in the angle in polar form by pressing
2qbZ330p.
These calculations can also be accomplished in radian mode.
To change to radian mode, press qp(SET UP)2(Angle
Unit)2(Radian).
COMPLEX