Across
- 3. exponent
- 4. 8mod5=3
- 6. ppb
- 9. multiplication
- 11. equal approximation
- 12. sign 1-1=0
- 13. greater than or equal to/less than or equal to
- 14. 2.58
- 15. ( )
- 17. both minus plus operation
- 20. sign 2x3=6
- 21. 100%
Down
- 1. ppt
- 2. +8 or -2
- 3. ppm
- 5. slash /
- 7. division
- 8. [ ]
- 10. line fraction
- 14. sign addition
- 16. 5=5
- 18. equal sign inequality
- 19. inequality > <