Here I present: Fred Gissoni, “Using the Cranmer Abacus for the Blind”, 1964. PART TWO (II).
INTRODUCTION.
Multiply is another term for knowledge of the “TIMES-Table”. Multiplication representation on the Cranmer ABACUS for blind students is a rethinking of Mathematics. BELOW is the “TIMES-Table” I looked at while practicing with the Cranmer ABACUS. The Japanese abacus is inspiration for Cranmer ABACUS, and I lived in Tokyo, Japan for several years.
