The Museum of HP Calculators

Calculus and Roots of f(x) 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 "CLCR67"
 02 LBL 10
 03 LBL A
 04 STO 25
 05 RTN
 06 LBL 19
 07 LBL e
 08 FS? 00
 09 GTO 00
 10 SF 00
 11 1
 12 RTN
 13 LBL 00
 14 0
 15 CF 00
 16 RTN
 17 LBL 15
 18 LBL a
 19 SF 01
 20 STO 24
 21 RTN
 22 LBL 11
 23 LBL B
 24  E-2
 25 RCL 24
 26 FS? 01
 27 X<>Y
 28 RDN
 29 %
 30 X=0?
 31 LASTX
 32 STO 22
 33 2
 34 /
 35 -
 36 STO 20
 37 STO 00
 38 7GSBI
 39 STO 23
 40 RCL 20
 41 RCL 22
 42 +
 43 STO 00
 44 7GSBI
 45 STO 21
 46 RCL 23
 47 -
 48 RCL 22
 49 /
 50 RTN
 51 LBL 12
 52 LBL C
 53 STO 00
 54 7GSBI
 55 RTN
 56 LBL 13
 57 LBL D
 58 X<>Y
 59 STO 00
 60 -
 61 X<>Y
 62 STO 21
 63 /
 64 STO 22
 65 2
 66 /
 67 ST+ 00
 68 0
 69 STO 09
 70 RCL 21
 71 X<> 25
 72 LBL 07
 73 X<> 25
 74 STO 21
 75 RCL 00
 76 7GSBI
 77 RCL 22
 78 ST+ 00
 79 *
 80 ST+ 09
 81 RCL 21
 82 X<> 25
 83 7DSZ
 84 GTO 07
 85 STO 25
 86 RCL 09
 87 RTN
 88 LBL 14
 89 LBL E
 90 7FIX
 91 XEQ 11
 92 RCL 21
 93 GTO 00
 94 LBL 06
 95 RCL 00
 96 7GSBI
 97 STO 21
 98 LBL 00
 99 RCL 20
100 RCL 00
101 STO 20
102 -
103 RCL 23
104 RCL 21
105 STO 23
106 -
107 /
108 *
109 ST- 00
110 RCL 00
111 FS? 00
112 PSE
113 /
114 RND
115 X#0?
116 GTO 06
117 RCL 00
118 RTN
119 STOP
120 END

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