CHM Revolution

Date Introduced

1988

Photographer

Richards, Mark

Dimensions

1/2 x 6 1/4 x 3 3/4 in.

Manufacturer

Hewlett-Packard Company

Copyright Owner

© Mark Richards

Location

United States

Keywords

Financial; Personal digital assistant; Electronic calculation

Object ID

X1439.97

This business calculator did mortgage and other financial calculations. It was not programmable, but it had a versatile “solve” function.