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Simply Better Zero-Based Maths of Aryabhata & Brahmagupta!
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Get Jonathan J. Crabtree's Podometic™ Bharatiya Maths for Fun Fast Easy Primary-Level Modern Maths
Simply Better Zero-Based Maths of Aryabhata & Brahmagupta!
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About Jonathan J. Crabtree
Bharatiya Maths YouTube Lectures
Contact
Count to 100
Papers
Photos
Print Interviews ?
Rare Books
Testimonials
Zero Research
Contact
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JONATHAN J. CRABTREE
Jonathan J Crabtree @ podo . in