Calculator User Manual

Chapter 2: Math, Angle, and Test Operations 77

real(

real(real(

real(

real( (real part) returns the real part of a complex number or list of complex numbers.

real(a+bi) returns a.

real(re^(

qi)) returns r†cos(q).

imag(

imag(imag(

imag(

imag( (imaginary part) returns the imaginary (nonreal) part of a complex number or list of

complex numbers.

imag(a+bi) returns b.

imag(re^(qi)) returns r†sin(q).

angle(

angle(angle(

angle(

angle( returns the polar angle of a complex number or list of complex numbers,

calculated as tan

(b/a), where b is the imaginary part and a is the real part. The

calculation is adjusted by +p in the second quadrant or Np in the third quadrant.