HP 41C/DM41X and HP 42S/DM42: Conversions
The program CONV has the "standard" conversions:
inches (IN) <-> centimeters (CM)
gallons (GAL) <-> liters (L)
pounds (LB) <-> kilograms (KG)
Fahrenheit (°F) <-> Celsius (°C)
Source: HP 67 Manual (Useful Conversion Factors, back cover). April 1977.
HP 41C/DM41: CONV41
Download raw file: CONV 41 Version
Custom menu:
Key: A (Σ+), B (1/x), C (√x), D (LOG), E (LN)
1st Level (to US): →IN, →GAL, →LB, →°F, HELP
2nd Level (to SI): →CM, →L, →KG, →°C, EXIT
(184 bytes)
01▸LBL "CONV"
02 SF 27
03 CF 01
04 RTN
05▸LBL A
06 2.54
07 FS? 01
08 1/X
09 /
10 CF 01
11 RTN
12▸LBL a
13 SF 01
14 GTO A
15▸LBL B
16 3.785411784
17 FS? 01
18 1/X
19 /
20 CF 01
21 RTN
22▸LBL b
23 SF 01
24 GTO B
25▸LBL C
26 .45359237
27 FS? 01
28 1/X
29 /
30 CF 01
31 RTN
32▸LBL c
33 SF 01
34 GTO C
35▸LBL D
36 1.8
37 *
38 32
39 +
40 RTN
41▸LBL d
42 32
43 -
44 1.8
45 /
46 RTN
47▸LBL E
48 CF 27
49 RTN
50▸LBL e
51 SF 21
52 "A >IN a >CM"
53 AVIEW
54 "B >GAL b >L"
55 AVIEW
56 "C >LB c> KG"
57 AVIEW
58 "D >F d >C"
59 AVIEW
60 CF 21
61 RTN
62 END
HP 42S/DM42/Free 42: CONV42
Download raw file: CONV 42 Version
Custom menu:
1st Level (to US): →IN, →GAL, →LB, →°F
2nd Level (to SI): →CM, →L, →KG, →°C
The arrow keys (↓) and (↑) toggle the menu.
To exit the program, press [EXIT].
00 { 219-Byte Prgm }
01▸LBL "CONV"
02▸LBL A
03 MENU
04 "→IN"
05 KEY 1 XEQ 01
06 "→GAL"
07 KEY 2 XEQ 02
08 "→LB"
09 KEY 3 XEQ 03
10 "→°F"
11 KEY 4 XEQ 04
12 KEY 7 GTO B
13 KEY 8 GTO B
14 KEY 9 GTO 99
15▸LBL 20
16 STOP
17 GTO 20
18▸LBL B
19 MENU
20 "→CM"
21 KEY 1 XEQ 05
22 "→L"
23 KEY 2 XEQ 06
24 "→KG"
25 KEY 3 XEQ 07
26 "→°C"
27 KEY 4 XEQ 08
28 KEY 7 GTO A
29 KEY 8 GTO A
30 KEY 9 GTO 99
31▸LBL 21
32 STOP
33 GTO 21
34▸LBL 99
35 CLMENU
36 EXITALL
37 RTN
38▸LBL 01
39 2.54
40 /
41 RTN
42▸LBL 02
43 3.785411784
44 /
45 RTN
46▸LBL 03
47 0.45359237
48 /
49 RTN
50▸LBL 04
51 1.8
52 ×
53 32
54 +
55 RTN
56▸LBL 05
57 2.54
58 ×
59 RTN
60▸LBL 06
61 3.785411784
62 ×
63 RTN
64▸LBL 07
65 0.45359237
66 ×
67 RTN
68▸LBL 08
69 32
70 -
71 1.8
72 /
73 RTN
74 .END.
Eddie
All original content copyright, © 2011-2025. Edward Shore. Unauthorized use and/or unauthorized distribution for commercial purposes without express and written permission from the author is strictly prohibited. This blog entry may be distributed for noncommercial purposes, provided that full credit is given to the author.
