Hewlett-Packard HP-22S

Serial number 2843A11674
Accessories Pouch

Manual: HP-22S Scientific Calculator Owner's Manual (Bound printout of scanned PDF, English, 199 pages, 9/1988)
Condition Very good. There is some minor wear of the brown color around the display.
Repairs, Comments
Acquired 7.9.2003
HP codename, series Plato, Pioneer
Type, Precision, Input mode Scientific, 12 BCD digits, exponent ±499, Algebraic
Programmable No. But using the solver on equations gives a lot of flexibility.
Memory 371 bytes for variables, 26 storage registers (A-Z), equations and summation registers, permanent memory. 1 storage register occupies 8 bytes.
Display 12 digit 5x7 pixel black&white LCD plus annunciators
Special features Equations, solver, unit conversions, hex, binary, octal number base,
Original Pricing, Production 1.6.1988 ($59.95) - approx. 1992 ($60)
Batteries 3x small button sized cells
Dimensions Length 14.7cm, Width 7.8cm, Height 1.5cm
Links HP-22S Scientific Calculator Owner's Manual (PDF, English, 199 pages, 9/1988)
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