HP 12C: Complex Arithmetic (Addition, Multiplication, and Division)

HP 12C:   Complex Arithmetic (Addition, Multiplication, and Division)

Let A and B represent the two complex numbers

A = R1 + R4*i

B = R2 + R5*i

Where i = √-1

Store real components in R1 and R2, and imaginary parts R4 and R5.  Choose the arithmetic calculations:

Enter 0 for addition:  A + B

Enter 1 for multiplication:  A * B

Enter 2 or otherwise for division:  A ÷ B

Result:  C = R3 + R6*i

Program:

STEP	CODE	KEY
01	44, 0	STO 0
02	43, 35	X=0
03	43, 33, 09	GTO 09
04	1	1
05	30	-
06	43, 35	X=0
07	43, 33, 18	GTO 18
08	43, 33, 35	GTO 35
09	45, 1	RCL 1
10	45, 2	RCL 2
11	40	+
12	44, 3	STO 3
13	45, 4	RCL 4
14	45, 5	RCL 5
15	40	+
16	44, 6	RCL 6
17	43, 33, 63	GTO 63
18	45, 1	RCL 1
19	45, 2	RCL 2
20	20	*
21	45, 4	RCL 4
22	45, 5	RCL 5
23	20	*
24	30	-
25	44, 3	STO 3
26	45, 1	RCL 1
27	45, 5	RCL 5
28	20	*
29	45, 2	RCL 2
30	45, 4	RCL 4
31	20	*
32	40	+
33	44, 6	STO 6
34	43, 33, 63	GTO 63
35	45, 2	RCL 2
36	36	ENTER
37	20	*
38	45, 5	RCL 5
39	36	ENTER
40	20	*
41	40	+
42	44, 0	STO 0
43	45, 1	RCL 1
44	45, 2	RCL 2
45	20	*
46	45, 4	RCL 4
47	45, 5	RCL 5
48	20	*
49	40	+
50	45, 0	RCL 0
51	10	÷
52	44, 3	STO 3
53	45, 4	RCL 4
54	45, 2	RCL 2
55	20	*
56	45, 1	RCL 1
57	45, 5	RCL 5
58	20	*
59	30	-
60	45, 0	RCL 0
61	10	÷
62	44, 6	STO 6
63	45, 3	RCL 3
64	31	R/S
65	45, 6	RCL 6
66	43, 33, 00	GTO 00

Example:

A = 4.25 + 3.16*i, B = -2.27 + 1.04*i

Option 0 (+):  1.98 + 4.20*i

Option 1 (*):  -12.93 – 2.75*i

Option 2 (÷): -1.02 – 1.86*i

Eddie

This blog is property of Edward Shore, 2017