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