Sharp QT8B (Micro Compet)

Details:

A very early machine using LSI chips. Probably the first using rechargeable  batteries making it truly portable.

The display uses rather artistic digits with a kind of half-size zero.


Usage:

Note:  Before it can be used it needs two resets using the “C” key.


Addition/subtraction:

As in mechanical calculators using the + =” key and “- =” key


Multiplication:

Enter first number, “X :” key, second number, “+ =” key

Division

Enter first number, “X :” key, second number,  red “- =” key       


Calculator Info
Sharp QT8B (Micro Compet) Sharp QT8B (Micro Compet) Sharp QT8B (Micro Compet) Sharp QT8B (Micro Compet)
Sharp QT8B (Micro Compet) charger Sharp QT8B (Micro Compet) charger Sharp QT8B (Micro Compet) charger

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Assets: adverts, brochures, etc

Serial number:

Build in:

Functions:

Power:

Market-introduction:

Production until:

Price:


016690X

1970 (see serial nr. info on  http://www.oldcalculatormuseum.com/t-sharpsn)

Addition, Subtraction, Multiplication,  Division

4 built-in NiCd cells

1970 (The QT8D, being externaly powered was introduced in 1969)

1971?

Approx. DM. 2250,- in 1970  (Source: Büromaschinen Lexikon)