Across
- 4. division
- 7. exponent(a^b)
- 9. multiplication(x)
- 10. greather than
- 11. decimal point or decimal separator
- 15. √a-√a=a
- 16. inequality
- 17. exponent(ab)
- 18. multiplication
- 20. remainder calculation
Down
- 1. division/fraction
- 2. 1%=1/100
- 3. subtraction
- 5. calculate expression inside first
- 6. approximation
- 8. addition
- 12. both plus and minus operations
- 13. equality
- 14. 1ppt=10-12
- 19. less than or equal to