The Museum of HP Calculators


Bessel Functions, Error Function 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 Math Pac 1. 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 "BSSL67"
 02 LBL 10
 03 LBL A
 04 STO 20
 05 RTN
 06 LBL 11
 07 LBL B
 08 XEQ 15
 09 SF 00
 10 LBL 09
 11 XEQ 16
 12 CF 02
 13 ST+ 09
 14 XEQ 16
 15 FS?C 02
 16 GTO 09
 17 RCL 22
 18 RCL 09
 19 ENTER
 20 +
 21 RCL 24
 22 -
 23 /
 24 7PRTX
 25 ADV
 26 RTN
 27 LBL 15
 28 LBL a
 29 1.5
 30 *
 31 STO 22
 32 RCL 20
 33 X<=Y?
 34 X<>Y
 35 6
 36 +
 37 RCL 22
 38 9
 39 *
 40 RCL 22
 41 2
 42 +
 43 /
 44 +
 45 2
 46 /
 47 INT
 48 ENTER
 49 +
 50 2
 51 +
 52 STO 25
 53 3
 54 RCL 22
 55 /
 56 STO 21
 57 0
 58 STO 24
 59 STO 09
 60  E-9
 61 STO 23
 62 RTN
 63 LBL 16
 64 LBL b
 65 7DSZ
 66 SF 02
 67 RCL 25
 68 RCL 20
 69 X#Y?
 70 GTO 00
 71 RCL 23
 72 STO 22
 73 LBL 00
 74 RDN
 75 RCL 24
 76 FS? 00
 77 CHS
 78 X<>Y
 79 RCL 21
 80 *
 81 RCL 23
 82 STO 24
 83 *
 84 +
 85 STO 23
 86 RTN
 87 LBL 12
 88 LBL C
 89 RCL 24
 90 RCL 09
 91 ENTER
 92 +
 93 RCL 24
 94 -
 95 /
 96 STOP
 97 RCL 23
 98 CHS
 99 RCL 09
100 ENTER
101 +
102 RCL 24
103 -
104 /
105 RTN
106 LBL 13
107 LBL D
108 CF 00
109 XEQ 15
110 LBL 08
111 ST+ 09
112 XEQ 16
113 FS?C 02
114 GTO 08
115 RCL 22
116 RCL 09
117 ENTER
118 +
119 RCL 24
120 -
121 /
122 2
123 RCL 21
124 /
125 E^X
126 *
127 7PRTX
128 ADV
129 RTN
130 LBL 14
131 LBL E
132 STO 20
133 X^2
134 STO 23
135 2
136 *
137 STO 21
138 1
139 STO 22
140 RCL 23
141 E^X
142 PI
143 SQRT
144 *
145 STO 23
146 3
147 RCL 20
148 X>Y?
149 GTO 03
150 LBL 07
151 RCL 21
152 RCL 22
153 2
154 +
155 STO 22
156 /
157 RCL 20
158 *
159 STO 20
160 +
161 X<>Y
162 RND
163 X<>Y
164 RND
165 X=Y?
166 GTO 00
167 LASTX
168 GTO 07
169 LBL 00
170 LASTX
171 RCL 23
172 /
173 2
174 *
175 1
176 X<>Y
177 -
178 LASTX
179 GTO 02
180 LBL 03
181 RCL 21
182 1/X
183 STO 21
184 RCL 20
185 1/X
186 STO 20
187 LBL 06
188 RCL 21
189 RCL 22
190 2
191 -
192 STO 22
193 *
194 RCL 20
195 *
196 STO 20
197 +
198 X<>Y
199 RND
200 X<>Y
201 RND
202 X=Y?
203 GTO 00
204 LASTX
205 GTO 06
206 LBL 00
207 LASTX
208 RCL 23
209 /
210 1
211 X<>Y
212 -
213 LASTX
214 X<>Y
215 LBL 02
216 7PRTX
217 X<>Y
218 7PRTX
219 X<>Y
220 ADV
221 RTN
222 LBL 19
223 LBL e
224 STO 25
225 7DSPI
226 RTN
227 STOP
228 END

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