Maths puzzle

123456789101112131415
Across
  1. 5. Ratio of opposite to hypotenuse — Indian trig term from Sanskrit.
  2. 6. Early Indian encoding system linking letters with numbers.
  3. 8. An irrational number approximated in Indian texts as 3.1416.
  4. 9. Ancient Indian astronomer who calculated π with remarkable accuracy
  5. 12. Indian philosopher who explored infinite divisibility.
  6. 13. Brilliant self-taught mathematician with deep insights into infinity.
  7. 15. Concept representing nothingness, pivotal in Indian numerals.
Down
  1. 1. Sage known for an early form of the Pythagorean theorem.
  2. 2. Indian numeral system place-holder that changed global math.
  3. 3. Numerical base system developed during the Gupta period.
  4. 4. Vedic text containing early geometric principles for altar construction.
  5. 7. Language of many ancient mathematical scriptures.
  6. 8. Ancient Indian grammarian whose logic influenced algorithms.
  7. 10. Discipline advanced by Indians to track celestial movements.
  8. 11. A sect influential in the development of Indian logic and math.
  9. 14. Mathematical study blossoming in Kerala school of astronomy.