BASIC MATH SYMBOL

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Across
  1. 4. division
  2. 7. exponent(a^b)
  3. 9. multiplication(x)
  4. 10. greather than
  5. 11. decimal point or decimal separator
  6. 15. √a-√a=a
  7. 16. inequality
  8. 17. exponent(ab)
  9. 18. multiplication
  10. 20. remainder calculation
Down
  1. 1. division/fraction
  2. 2. 1%=1/100
  3. 3. subtraction
  4. 5. calculate expression inside first
  5. 6. approximation
  6. 8. addition
  7. 12. both plus and minus operations
  8. 13. equality
  9. 14. 1ppt=10-12
  10. 19. less than or equal to