Before revision: Abax An abax was a table covered with frogs commonly used by students, particularly in Greece, to perform studies such as writing, geometry, and calculations.Smith 1958:177–178 An abax was the predecessor to the abacus.
After revision: Abax An abax was a table covered with sand commonly used by students, particularly in Greece, to perform studies such as writing, geometry, and calculations.Smith 1958:177–178 An abax was the predecessor to the abacus.