CROSSWORD PUZZLE

12345678910111213141516171819202122232425
Across
  1. 3. Development as a placeholder and symbol
  2. 4. it is used for basic decimal number system
  3. 5. He included rules for arithmetic
  4. 8. Located at southeastern mesopotamia betweens tigris and Euphrates river
  5. 10. This is a method of babylonia mathematics in multiplication
  6. 12. The process of distributing numbers into an equal parts
  7. 13. 1200 BCE and numericals notation
  8. 14. This script featured numerals symbols
  9. 16. Has a rich of contributing to mathematics
  10. 18. Crucial for astronomy, architecture, and trade
  11. 19. Means something like "restoration" and "Completion"
  12. 21. More compact representation of number
  13. 23. He brought the hindu idea of decimal positioning notation
  14. 24. Used to refer to the mathematics done in the Islamic world
  15. 25. Finding the difference between number
Down
  1. 1. Decimal system and mathematical text
  2. 2. Omar Khayyam gave both of them arithmetic so what is the second one?
  3. 6. Using various method
  4. 7. This is using abacus
  5. 9. called as a basic operation
  6. 11. Repeating the process with the reminder until they reached an acceptable level of precision
  7. 15. Techniques for calculating squares and extracting square root were developed
  8. 17. Approximating how many times the divisor could fit into the divided
  9. 20. This was fundamental to the development of infinitesimal and integral
  10. 22. Northeast corner of africa