Discover and read the best of Twitter Threads about #Chitighana
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The oldest evidence of counting in India, dating back to the stone age (11,000-8,000 years ago) is the tally marks engraved on a soft white tropical wood cut to look like a dagger or knife. #IndianHeritage #Mathematics 
Regularized decimal system of number words to express quantity was well established in Vedic corpus (Rig Veda). #IndianHeritage #Mathematics
One of the classical language of India, Tamil is unmistakably decimal in its number names. But the numbers were non place value with special symbols for 10, 100 e.t.c #IndianHeritage #Mathematics
