The Hewlett-Packard 48SX is probably one of the best RPN graphing calculators ever made.

It has a 2MHz 64-bit Saturn processor (custom design by HP), 32kB RAM, 131x64 pixel LCD, and two expansion card slots.

Pictures ^

Hewlett-Packard 48SX
HP 48SX showing the home screen
HP 48SX (inside view, top)
HP 48SX (inside view, bottom)

Documents ^

Links ^


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