Across
- 2. .
- 5. remainder calculation
- 6. approximately equal
- 9. a^b
- 10. ()
- 14. line —
- 17. than >
- 18. billion 1ppb = 1/1000000000
Down
- 1. 1‰ = 1/1000 = 0.1%
- 2. per trillion
- 3. /
- 4. *
- 7. [ ]
- 8. than <
- 11. plus sign
- 12. sign =
- 13. root √a
- 15. sign ×
- 16. %