Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: a small machine that is used for mathematical calculations
Your browser does not support HTML5 video.
Similiar / Same: calculating machine
Within this category: abacus, adder, adding machine, counter, hand calculator, Napier's bones, quipu, subtracter
Upload your sign now.
Add this video to your website by copying the code below.