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