HP 33S - Page 317

ALG: Summary
C–9
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
To do an arithmetic operation with two complex numbers:
1. Enter the first complex number, z
1
. (Use parentheses for z if the real part
exists).
2. Select the arithmetic operation.
3. Enter the second complex number, z
2
. (Use parentheses for z if the real part
exists).
4. Press
Ï
to calculate.
Here are some examples with complex numbers:
Examples:
Evaluate sin ( 2
＋
3i )
Keys: Display: Description:
º y
2
Ù
3
¹
c º |


＋


Ø

＋


k

＋


Real part of result.
Ø

＋


Result is
9.1545 – i 4.1689
Examples:
Evaluate the expression
z
1
÷
(z
2
+ z
3
),
where z
1
= 23 + i 13, z
2
= –2 + i z
2
= 4 – i 3
Keys: Display: Description:
º y
23
Ù
13
¹ c º |


Real part of result.