Across
- 2. addition
- 5. greater than
- 8. equality
- 9. ()
- 11. %
- 12. inequality
- 15. division/fraction
- 16. both minus and plus operation
- 18. *
- 19. •
- 20. mod
Down
- 1. subtraction
- 3. a^b
- 4. /
- 6. approximation
- 7. division
- 10. exponent
- 13. []
- 14. both plus and minus operations
- 17. .