ZELCO Model 10732 "Double Plus"


Brand: ZELCO
Model: Model 10732 "Double Plus", Designed by Donald Boody, Jr.
Type: Design calculator
Picture: ZELCO 10732
Batteries: 1 x 357A
Lifetime: Introduced: 1988
Terminated: unknown
Notes: A strange calculator. It's ergonomically shaped to be held with the left hand and operated upon with the right. One extra add-button can be operated with the left index finger. The display can be tilted to an optimal position.

Unfortunately the text on the buttons comes off easily.