HP 32SII - Manual (Page 136)

9–4 Operations with Comb Numbers
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
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
š x
1
š . (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
š 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
z F ™
Subtraction, z
1
– z
2
z F „
Multiplication, z
1
× z
2
z F y
Division, z
1
÷ z
2
z F p
Power function, 2
1
z z
z F 0
Examples:
Here are some examples of trigonometry and arithmetic with complex
numbers:
Evaluate sin (2 + i 3)
Keys: Display: Description:
3 š 2
z F N

)
Real part of result.
Z .)  Result is 9.1545 – i 4.1689.
Evaluate the expression
z
1
÷ (z
2
+ z
3
),
where z
1
= 23 + i 13, z
2
= –2 + i z
2
= 4 – i
3
Since the stack can retain only two complex numbers at a time, perform the
calculation as