Introduced on the 31th of October 1988, discontinued the 1st March 1996
Introduced as a successor to the successful Coconut series. The calculator is software compliant with the HP-41C but has no extension ports. It has an infra red LED to communicate with a printer.
This HP-42S is the most complete and sought-after model of the Pioneer series. Its code name shows the close relationship with the HP-32S (Code name: Leonardo).
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Serial number: 2927S31001 |
Serial number: 3335S00454 |
The left hand side picture shows an HP-42S with the old bezel, the right hand site picture shows an HP-42S with the new bezel. See also my web page on LCD displays.
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A 351 pages Owner's Manual was bundled with the HP-42S Scientific calculator. |
A 234 pages Programming Examples and Techniques manual was sold separately. |