Across
- 5. ppm; per-
- 6. calculate expression inside first
- 8. %
- 11. greater than or less than
- 13. x
- 15. *
- 16. ÷
- 18. /
- 19. minus sign
Down
- 1. horizontal line
- 2. ≈
- 3. plus sign
- 4. equals sign
- 7. ppt; per-
- 9. []
- 10. ppb; per-
- 12. exponent
- 13. mod
- 14. decimal separator
- 17. power