The Museum of HP Calculators

Chebyshev Filter Design for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the Electrical Engineering Solution Book. 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 "CHEB"
 02 ENG 03
 03 RAD
 04 1
 05 XEQ 09
 06 ST* 01
 07 ST* 02
 08 ST* 05
 09 RCL 03
 10 10
 11 /
 12 10^X
 13 1
 14 -
 15 SQRT
 16 STO 06
 17 RCL 04
 18 10
 19 /
 20 10^X
 21 1
 22 -
 23 4
 24 *
 25 RCL 06
 26 X^2
 27 /
 28 2
 29 -
 30 STO 12
 31 "?"
 32 PROMPT
 33 STO 07
 34 GTO IND 07
 35 LBL 04
 36 XEQ 03
 37 GTO 00
 38 LBL 02
 39 SF 02
 40 XEQ 01
 41 LBL 00
 42 1/X
 43 CHS
 44 GTO 05
 45 LBL 01
 46 RCL 05
 47 RCL 01
 48 /
 49 FS?C 02
 50 RTN
 51 GTO 05
 52 LBL 03
 53 RCL 05
 54 X^2
 55 RCL 01
 56 X^2
 57 -
 58 RCL 05
 59 /
 60 RCL 02
 61 /
 62 LBL 05
 63 ABS
 64 STO 08
 65 ENTER
 66 X^2
 67 1
 68 -
 69 SQRT
 70 +
 71 STO 10
 72 LN
 73 RCL 12
 74 LN
 75 X<>Y
 76 /
 77 STO 09
 78 LBL 06
 79 RCL 09
 80 RCL 10
 81 RCL 09
 82 Y^X
 83 STO 05
 84 ENTER
 85 1/X
 86 +
 87 RCL 12
 88 -
 89 RCL 05
 90 ENTER
 91 1/X
 92 -
 93 /
 94 RCL 10
 95 LN
 96 /
 97 2
 98 /
 99 -
100 STO 09
101 LASTX
102 ABS
103 .01
104 X<=Y?
105 GTO 06
106 RCL 09
107 2
108 /
109 1
110 +
111 INT
112 STO 09
113 "N="
114 ARCL X
115 AVIEW
116 STOP
117 1
118 STO 11
119 RCL 03
120 40
121 /
122 1
123 E^X
124 LOG
125 /
126 ENTER
127 +
128 E^X
129 1
130 X<>Y
131 +
132 LASTX
133 1
134 -
135 /
136 RCL 09
137 STO 10
138 2
139 *
140 1/X
141 Y^X
142 ENTER
143 1/X
144 -
145 2
146 /
147 X^2
148 STO 08
149 PI
150 2
151 /
152 RCL 09
153 /
154 SIN
155 STO 12
156 2
157 *
158 RCL 08
159 SQRT
160 /
161 LBL 10
162 STO 05
163 RCL 00
164 -1
165 RCL 11
166 PSE
167 Y^X
168 Y^X
169 *
170 GTO IND 07
171 LBL 01
172 RCL 01
173 /
174 XEQ 11
175 GTO 00
176 LBL 02
177 RCL 01
178 *
179 1/X
180 XEQ 11
181 CHS
182 GTO 00
183 LBL 03
184 RCL 02
185 /
186 XEQ 11
187 SF 01
188 XEQ 00
189 1/X
190 RCL 01
191 X^2
192 /
193 XEQ 11
194 CHS
195 GTO 00
196 LBL 04
197 RCL 02
198 *
199 RCL 01
200 X^2
201 /
202 XEQ 11
203 SF 01
204 XEQ 00
205 RCL 01
206 X^2
207 *
208 1/X
209 XEQ 11
210 CHS
211 LBL 00
212 "L="
213 X<0?
214 "C="
215 ABS
216 ARCL X
217 AVIEW
218 STOP
219 FS?C 01
220 RTN
221 DSE 10
222 GTO 07
223 RTN
224 LBL 07
225 RCL 12
226 RCL 09
227 RCL 10
228 -
229 1
230 +
231 STO 11
232 1
233 -
234 2
235 *
236 1
237 +
238 PI
239 *
240 2
241 /
242 RCL 09
243 /
244 SIN
245 STO 12
246 *
247 4
248 *
249 RCL 05
250 /
251 RCL 08
252 RCL 09
253 RCL 10
254 -
255 PI
256 *
257 RCL 09
258 /
259 SIN
260 X^2
261 +
262 /
263 GTO 10
264 LBL 11
265 -1
266 RCL 11
267 Y^X
268 *
269 RTN
270 LBL 09
271 2
272 *
273 PI
274 *
275 RTN
276 END

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