Across
- 2. ≈
- 4. calculate expression inside first, ( )
- 6. greater than or equal to
- 8. ≠
- 11. [ ]
- 15. 3√a
- 18. remainder calculation
- 19. both minus and plus operations
- 20. *
Down
- 1. a^b
- 3. both plus and minus operations
- 5. =
- 7. >
- 9. minus sign
- 10. √a
- 12. plus sign
- 13. %
- 14. ÷
- 16. <
- 17. decimal point, decimal separator
