Decimo Vatman type 1.

6V (4 x AA batteries).

Display is 8 digits, green fluorescent in single tube.

4 functions, %.

83mm x 130mm x 28mm (3.25" x 5" x 1.1").

Made in Japan.

Decimo Vatman type 2.

Has square root key, and VAT % key.

6V (4 x AA batteries).

Display is 8 digits, green fluorescent in single tube.

4 functions, VAT %, square root.

83mm x 130mm x 28mm (3.25" x 5" x 1.1").

Made in Japan.

The % key is marked "VAT" for use in calculations of Value Added Tax within the EEC (European Economic Community).

Decimo models