HP 35s Scientific Calculator User Manual

Page 146

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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

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