Basic Math Symbols

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Across
  1. 3. line, ---
  2. 4. Per-million
  3. 6. %
  4. 9. equal
  5. 14. -
  6. 15. power
  7. 16. multiplication
  8. 18. Per-million
  9. 19. Reminder calculation
Down
  1. 1. dot, .
  2. 2. calculate expression inside first
  3. 5. not equal sign
  4. 7. [ ]
  5. 8. sign, ÷
  6. 10. +
  7. 11. =
  8. 12. Decimal point
  9. 13. slash, /
  10. 17. per-trillion