Product Description

This manual instructs users who are blind or visually impaired in the use of the Cranmer Abacus. Gives instructions on how to add, subtract, multiply, divide, extract roots, compute decimals and fractions, and use the abacus as a calendar. Practice exercises are included.

Note: APH does not carry this publication in inventory for immediate delivery — when you order it, we will produce it for you as a special order; therefore, allow several weeks for delivery.

Downloadable Manual: This publication is also available as a free-of-charge download — you may emboss it as needed using the downloaded file found on our downloadable manuals page.