HP 35s

9-4 Operations with Complex Numbers
Examples:
Here are some examples of trigonometry and arithmetic with complex numbers:
Evaluate sin (2i3)
Evaluate the expression
z
1
÷ (z
2
+ z
3
),
where z
1
= 23 i 13, z
2
= –2i1 z
3
= 4 i– 3
Perform the calculation as
Evaluate (4 i –2/5)  (3 i –2/3).
Keys: Display: Description:
8 ( )
Sets display format.
6
 
Result is 9.1545 i –4.1689.
Keys: Display: Description:
8 ( )
Sets display format
6
 
 
ENTER z1
6
 
 
ENTER z2
6
 
 
(z
2
+ z
3
). Result is 2 i -2.

 
z
1
÷(z
2
+ z
3
). Result is 2.5
i 9.
Keys: Display: Description:
8 ( )
Sets display format
6

 
 
Enters 4i-2/5