Across
- 4. equality
- 5. less than or equal to
- 8. multiplication
- 11. greater than or equal to
- 12. 23 = 8
- 16. .
- 18. ÷
- 19. 2 ^ 3 = 8
- 20. √a ⋅ √a = a
Down
- 1. inequality
- 2. decimal point, decimal separator
- 3. calculate expression inside first
- 6. approximation
- 7. subtraction
- 9. *
- 10. 4√a ⋅ 4√a ⋅ 4√a ⋅ 4√a = a
- 13. [(1+2)×(1+5)] = 18
- 14. addition
- 15. remainder calculation
- 17. %