Vintage Electronic Calculators:
CALCUSEUM Home page

Overview of Brands

Colleagues

DALTONE_docu: (Instr.) Opti-Cal 1
(Page 1/1)


AKA: Daltone, OPTI-CALI, Solid State 5-Function Prortable Calculator, With True Memory On All 5 Functions,
Date of intro: ~1973,
Classification: / Documentation / Instructions,
Related with: DALTONE: Opti-Cal 1,

Item

Created: 20-aug-2026, Manual-update: 20-aug-2026, Batch-update: 21-aug-2026             

# Pageloads since 20-aug-2026 : 0             

1 Pic(s),

                     

Have a (better) personal picture and/or missing?: Please provide via our FACEBOOK-page

Or send a Mail