Complex Numbers - Casio Fx-82AU PLUS II User Manual

Complex numbers

Mode: 2 CMPLX
Method: Press qb to enter
Examples
The screen below shows other possibilities in the complex number mode
Calculating the argument of a complex number
Expressing a number in a + ib form in mod-arg form
The button sequence for expressing 5 + 2i in mod-arg form is 5+2qbq23=.
Expressing a number in mod-arg form in the form of a + ib.
© Sue Thomson and Shriro
This page may be photocopied for non-commercial use.
i
.
The button sequence for determining the
argument of 5 + 2i is
q215+2qb=.
The button sequence for expressing 5 + 2i
in mod-arg form is
5+2qbq23=.
The button sequence for expressing 5cis(pi/4) in the
form a + ib is
5qzaqKR4$q24=
The button sequence for
these calculations is
intuitive.
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