Complex Numbers - Casio fx-570es User Manual

20
Casio FX-570ES One Page Exercise:

COMPLEX NUMBERS

2 − 3 i
>>> Find the argument of
.
7 + i
What To Do The Screen Display
First turn on the calculator and set calculator to "CMPLX" mode. A small "CMPLX" icon will
appear at top of screen.
W w
2
Now we calculate the division of the two complex numbers using fraction.
a
2 - 3 b R
U
7 + b
U
p
Next to find the argument of the expression we use the "arg" function at the calculator.
q 2
Here we choose "arg" and use the Ans key to help find the argument.
1 M ) p
We can also display the outcome in DMS form.
x
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