Across
- 2. root 4√a
- 3. decimal point
- 5. root Va
- 6. a way of expressing parts per thousand
- 7. equals sign
- 11. a number or ratio that represents a fraction of 100.
- 13. approximately equal
- 14. plus sign
- 15. ppb
- 17. ppt
- 18. slash /
Down
- 1. root 3√a
- 3. out of every million
- 4. division
- 5. minus sign
- 8. not equal sign
- 9. calculate expression inside first
- 10. multiplication
- 12. remainder calculation
- 16. []