Cranmer Abacus

A specially designed abacus that keeps beads in position once they have been set.

Cranmer Abacus Counting Method Multiplication: triple digit by triple digit

Shop Cranmer Abacus online

UAbacus App Now Available! – Paths to Literacy

Collectible Cranmer abacus with oak frame and white onyx beads

Cranmer abacus.jpg - Kansas State School for the Blind

Adaptive technology Cranmer abacus

Cranmer Style Math Abacus for the Blind and Visually Impaired

Collectible Cranmer abacus with oak frame and white onyx beads

Abacus : 2009.6.16

Cranmer Abacus Addition of Decimals (2 places)

Cranmer Abacus American Printing House

Plastic Abacus Math Calculation Tool at Rs 249/piece in Ahmedabad