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Operations with Complex Numbers 9–3
Functions for One Complex Number, z
To Calculate: Press:
Change sign, –z
{G^
Inverse, 1/z
{G
Natural log, ln z
{G
Natural antilog, e
z
{G
Sin z
{GO
Cos z
{GR
Tan z
{GU
To do an arithmetic operation with two complex numbers:
1.
Enter the first complex number, z
1
(composed of x
1
+ i y
1
), by keying in y
1
x
1
. (For
2
1
z
z
, key in the base part, z
1
, first.)
2. Enter the second complex number, z
2
, by keying in y
2
x
2
. (For
2
1
z
z
,
key in the exponent, z
2
, second.)
3. Select the arithmetic operation:
Arithmetic With Two Complex Numbers, z
1
and z
2
To Calculate: Press:
Addition, z
1
+ z
2
{G
Subtraction, z
1
– z
2
{G
Multiplication, z
1
×
z
2
{Gz
Division, z
1
÷
z
2
{Gq
Power function,
2
1
z
z
{G