Basic Math Symbol

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Across
  1. 3. Name of this "()" symbol
  2. 7. Name of this "∜a"symbol
  3. 8. Name of this "%" symbol
  4. 11. Name of this "≈" symbol
  5. 16. Name of this "∛a" symbol
  6. 18. Name of this "/" symbol
  7. 19. Name of this "x" symbol
  8. 20. Name of this "∓" symbol
Down
  1. 1. Name of this "mod" symbol
  2. 2. Name of this "." symbol
  3. 4. Name of this "a^b" symbol
  4. 5. Name of this "－" symbol
  5. 6. Name of this ">" symbol
  6. 9. Name of this "[]" symbol
  7. 10. Name of this "≥" symbol
  8. 12. Name of this "+" symbol
  9. 13. Name of this "±" symbol
  10. 14. Name of this "√a" symbol
  11. 15. Name of this "=" symbol
  12. 17. Name of this "*" symbol