Prinztronic c-mos 8m

1.5 v (AA battery).

Display is 8 digits, green fluorescent in single tube.

4 functions, %, memory, square root.

Main Integrated Circuit - Toshiba T3393 (date coded 6F).

80 mm x 120 mm x 29 mm (3.2" x 4.75" x 1.2").

Made Japan.

About 1976.

Prinztronic models