Calculation

Plastic tray 15 rows of 20 boxes for learning arithmetic and algebra.

On each side of the square is represented one of the 4 possible positions of Braille points, thereby forming the 63 Braille characters.

These cubes are used to write braille figures by positioning them on the Cubarithme plateau.

An abacus can represent numbers up to 13 digits and the four basic operations.

Set of squares marked in relief.

Rapporteur small model adapted in Braille and raised characters for the blind and visually impaired.

Triple decimeter suitable plastic in relief and Braille for the blind and visually impaired.