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Stack lift in complex mode – HP 15c User Manual

Page 123

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Section 11: Calculating With Complex Numbers 123

Re

Im

Re

Im

Re

Im

Re

Im

Re

Im

T

9

8

7

7

7

0

Z

8

7

6

6

7

0

Y

7

6

2

2

6

0

X

6

2

2

3

2

3

Keys:

2

v

3

´ V

The execution of ´ V causes the entire stack to drop, the T contents to
duplicate, and the real X contents to move to the imaginary X-register.

When the second complex number is entered, the stacks operate as shown
below. Note that v lifts both stacks.

Re

Im

Re

Im

Re

Im

Re

Im

T

7

0

7

0

6

0

6

0

Z

7

0

6

0

2

3

2

3

Y

6

0

2

3

4

0

4

0

X

2

3

4

0

4

0

5

0

Keys:

4

v

5

Re

Im

Re

Im

Re

Im

T

6

0

6

0

6

0

Z

2

3

6

0

6

0

Y

4

0

2

3

6

0

X

5

0

4

5

6

8

Keys:

´ V

+

A second method of entering complex numbers is to enter the imaginary
part first, then use } and −. This method is illustrated under
Entering Complex Numbers With −, page 127.