The Museum of HP Calculators

Calendar Functions for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the HP-67 Standard Pac. This program was ported to the HP-41C by reading with the HP-41C card reader and the card reader may be required for operation of this program. This program was entered and uploaded by Tony Duell.

This program is supplied without representation or warranty of any kind. Tony Duell, Hewlett Packard and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.

Documentation Information (CD or source code)
How to get this Program to your Calculator (via HP-IL, disk, wand, and fingers)
Download Binary (.raw) program for disk or PC HP-IL Card download
Download Hexadecimal (.dat) program for Serial Port download

Program Listing

LINE  KEYS
 01 LBL "CNDR67"
 02 LBL 10
 03 LBL A
 04 RCL 04
 05 RCL 22
 06 -
 07 3
 08 GTO 00
 09 LBL 11
 10 LBL B
 11 RCL 03
 12 RCL 22
 13 +
 14 4
 15 LBL 00
 16 STO 25
 17 RDN
 18 365.25
 19 STO 05
 20 30.6001
 21 STO 06
 22 RDN
 23 RDN
 24 FS?C 22
 25 GTO 01
 26 STO IND 25
 27 122.1
 28 -
 29 RCL 05
 30 /
 31 INT
 32 STO 09
 33 RCL 05
 34 *
 35 INT
 36 RCL IND 25
 37 -
 38 CHS
 39 STO 20
 40 RCL 06
 41 /
 42 INT
 43 STO 07
 44 RCL 20
 45 X<>Y
 46 RCL 06
 47 *
 48 INT
 49 -
 50 STO 08
 51 RCL 07
 52 1
 53 RCL 08
 54 %
 55 -
 56 -
 57 RCL 07
 58 14
 59 /
 60 XEQ 02
 61 RCL 09
 62  E6
 63 /
 64 +
 65 7DSP6
 66 RTN
 67 LBL 01
 68 RDN
 69 ENTER
 70 INT
 71 STO 07
 72 -
 73  E2
 74 *
 75 ENTER
 76 INT
 77 STO 08
 78 -
 79  E4
 80 *
 81 STO 09
 82 RCL 07
 83 1
 84 +
 85 ENTER
 86 1/X
 87 .7
 88 +
 89 CHS
 90 XEQ 02
 91 RCL 06
 92 *
 93 INT
 94 RCL 09
 95 RCL 05
 96 *
 97 INT
 98 +
 99 RCL 08
100 +
101 STO IND 25
102 1720982
103 +
104 7DSP0
105 RTN
106 LBL 02
107 INT
108 ST+ 09
109 12
110 *
111 -
112 RTN
113 LBL 12
114 LBL C
115 7DSP0
116 STO 22
117 FS?C 22
118 RTN
119 RCL 04
120 RCL 03
121 -
122 STO 22
123 RTN
124 LBL 13
125 LBL D
126 FS?C 22
127 GTO 04
128 XEQ 12
129 7DSP1
130 LBL 03
131 7
132 /
133 INT
134 LASTX
135 FRC
136 .7
137 *
138 +
139 RTN
140 LBL 04
141 7DSP0
142 ENTER
143 INT
144 7
145 *
146 X<>Y
147 FRC
148 10
149 *
150 +
151 STO 22
152 RTN
153 LBL 14
154 LBL E
155 SF 22
156 RCL 05
157 5
158 XEQ 00
159 RCL IND 25
160 5
161 +
162 XEQ 03
163 LASTX
164 10
165 *
166 RTN
167 STOP
168 END

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