Chapter 2: Math, Angle, and Test Operations 55
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).
MathPrint™ Classic
angle(
angle( returns the polar angle of a complex number or list of complex numbers, calculated as tan
L1
(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.
angle(a+bi) returns tan
L1
(b/a).
angle(re^(qi)) returns q, where Lp<q<p.
MathPrint™ Classic
abs(
abs( (absolute value) returns the magnitude (modulus),
, of a complex number or list
of complex numbers.
You can also access abs( from the
FUNC shortcut menu (t _ 1).
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