Across
- 3. —
- 4. 1ppb = 1/1000000000
- 8. modulo
- 11. ×
- 12. approximately equal
- 15. 1% = 1/100
- 16. plus sign
- 18. power
- 19. [ ]
- 20. not equal sign
Down
- 1. ab
- 2. remainder calculation
- 5. decimal point
- 6. calculate expression inside first
- 7. /
- 9. minus sign
- 10. per-million
- 13. a^b
- 14. *
- 17. equal sign