BASIC MATH SYMBOLS

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Across
  1. 2. sign
  2. 6. n square root of a
  3. 8. difference, "minus"
  4. 9. ()
  5. 10. []
  6. 15. >
  7. 17. divided by
  8. 19. 49 = 7
Down
  1. 1. ,
  2. 3. 2/3,4/5,3/6
  3. 4. exponent
  4. 5. a^b
  5. 7. <
  6. 11. sum, "plus"
  7. 12. represent the times sign
  8. 13. =
  9. 14. decimal point (.)
  10. 16. mod, remainder calculation
  11. 18. sign indicates a number or ratio as a fraction of 100