Across
- 4. ≈
- 7. a fourth of a root
- 8. ÷
- 9. ppt
- 11. Remainder calculation
- 15. >
- 16. .
- 18. [ ]
- 19. %
- 20. caret
- 22. ≠
- 23. /
- 25. +
- 26. a root of a square
- 28. *
- 29. ×
Down
- 1. radical
- 2. ( )
- 3. a cube of a root
- 5. ±
- 6. ppm
- 10. ≤
- 11. •
- 12. -
- 13. ‰
- 14. =
- 16. ppb
- 17. ≥
- 21. exponent
- 24. <
- 27. _____
- 29. both minus and plus operations