Basic Math Symbols

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Across
  1. 2. root 4√a
  2. 3. decimal point
  3. 5. root Va
  4. 6. a way of expressing parts per thousand
  5. 7. equals sign
  6. 11. a number or ratio that represents a fraction of 100.
  7. 13. approximately equal
  8. 14. plus sign
  9. 15. ppb
  10. 17. ppt
  11. 18. slash /
Down
  1. 1. root 3√a
  2. 3. out of every million
  3. 4. division
  4. 5. minus sign
  5. 8. not equal sign
  6. 9. calculate expression inside first
  7. 10. multiplication
  8. 12. remainder calculation
  9. 16. []