Trachtenberg system
Método Trachtenberg
- Date
- c. 1941-1945 · confidence low
- Place
- Germany
- Credited to
- Jakow Trachtenberg
- Field
- Knowledge & symbols
What it is
System of rapid mental calculation devised by Ukrainian engineer Jakow Trachtenberg to keep his mind occupied while imprisoned in a Nazi concentration camp.
What it led to
- Method for multiplication, division and addition without multiplication tables
- Founding of a mathematical institute in Zurich after the war
- Pedagogical use of mental calculation in arithmetic teaching