BASIC MATH SYMBOL

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Across
  1. 1. rank (A)
  2. 5. X~
  3. 9. remainder calculation
  4. 11. if and only if (iff)
  5. 13. negation
  6. 14. C
  7. 15. th
  8. 16. infinite line
Down
  1. 2. multiplication
  2. 3. O
  3. 4. object that belong to set A and B
  4. 6. XL
  5. 7. Rho
  6. 8. "
  7. 10. a collection of elements
  8. 12. 1%=1/100