CONTENTS:- 1. Introduction to Arithmetics. 2. Vedic Contributions to ARithetics. 3. Vedic Sources of Arithmetics. 4. Vedic Numerals. 5. Vedic Number Symbolism. 6. Concept of Zero in Vedas. 7. Vedic Origin of Pi. 8. Vedic Sutra and Square-Root Algorithm. 9. Recurring Decimals in Vedic Mathematics. 10. Vertically and Crosswise Formula. 11. Vedic Arithmetic Theories. 12. Arithmetics in Bakhshali Manuscript. 13. Divisibility and Primality in Vedic Mathematics. 14. Arithmetical Methods in Chandashastra.