Levi Posted August 8, 2015 Posted August 8, 2015 Uhm, yeah. Definetely not. I couldn't do that. Quote
Leader RedBaird Posted August 8, 2015 Leader Posted August 8, 2015 (edited) They call that Finger Math in the USA. The abacus is the machine. When I looked this picture up, I realized that they may be using the same principles. One google-picture-search did show a child doing "finger math". Edited August 8, 2015 by RedBaird added 'may' 1 Quote
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