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The HP-28S (Orlando)

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Introduced on the 4th January 1988, discontinued the 1st of April 1992

The HP-28S is the second scientific calculator in this series, the successor of the HP-28C.

The HP-28S can work with symbolic expressions. Has a total amount of 32K memory and a CPU with a clock speed of 1 Mhz.

HP28S
Serial number: 3022A81506

 

Owner's Manual and Reference Manual

Manual HP28S Manual HP28S

 

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HP-28S related links:

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