BASIC MATH SYMBOLS

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Across
  1. 3. <
  2. 4. a^b
  3. 6. addition
  4. 11. ppt
  5. 14. =
  6. 16. ppm
  7. 17. division/fraction
  8. 18. caret, power
  9. 20. ÷
Down
  1. 1. subtraction
  2. 2. ppb
  3. 5. *
  4. 7. [ ]
  5. 8. greater than/ less than or equal to
  6. 9. %
  7. 10. remainder calculation
  8. 12. ≈
  9. 13. ( )
  10. 15. ×
  11. 19. decimal point, decimal separator