HP 33s User Manual

Page 133

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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

{ G O

Cos z

{ G R

Tan z

{ G U

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

{ G z

Division, z

1

÷ z

2

{ G q

Power function,

2

1

z

z

{ G

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