Across
- 3. both minus and plus operations
- 5. addition
- 6. ÷, division
- 8. ppt
- 12. ppb
- 14. ⋅, multiplication
- 15. division/fraction
- 16. approximation
- 18. ppm
- 19. exponent
- 20. (), calculate expression inside first
Down
- 1. equality
- 2. both plus and minus operations
- 4. *, multiplication
- 7. inequality
- 9. greater than, less than
- 10. remainder calculation
- 11. decimal point, decimal separator
- 13. subtraction
- 17. 1%=1/100