HELP MEMORY CALCULATION, 1970
- Inventor
- F.GAL, School Director
- Invention date
- Unkown
- Manufacturing date
- Around 1970
- Manufacturing location
- Unknown
- Manufacturer
- FAN Editions
- Dimensions
- L 18 H 18
- Reference Number
- 243
History and Functionality
Round table for children to learn the basic math operations in elementary school.
It also provides formulas for calculating perimeters and areas.
The device states that the contents are taken from the official curriculum of the French National Education Ministry, 1970.
