Newton Glossary

An almost definitive guide to Newton-related terms and trivia.


A Newton device developed by Sharp Electronics. Two versions of the ExpertPad were produced, the ExpertPad PI-7000 was equivalent to the Original MessagePad (OMP) and the ExpertPad PI-7100 was equivalent to a MessagePad 100.

A third-party device that utilizes a licensed version of Newton OS is commonly referred to as a clone.


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