| 1. | = | Equals sign |
| 2. | ≠ | not equal sign inequality |
| 3. | ≈ | approximately equal |
| 4. | > | strict inequality |
| 5. | < | strict inequality |
| 6. | ≥ | inequality greater than |
| 7. | ≤ | inequality less than |
| 8. | ( ) | parentheses |
| 9. | [ ] | brackets |
| 10. | + | plus sign |
| 11. | − | minus sign |
| 12. | ± | plus – minus |
| 13. | ± | minus – plus |
| 14. | * | asterisk |
| 15. | × | times sign |
| 16. | ÷ | division sign |
| 17. | / | division slash |
| 18. | — | horizontal line division / fraction |
| 19. | . | Period decimal point, decimal separator |
| 20. | ab; | power exponent |
| 21. | a^b | caret exponent |
| 22. | √a | square root |
| 23. | 3√a | cube root |
| 24. | 4√a | fourth root |
| 25. | n√a | n-th root (radical) |
| 26. | % | percent |
| 27. | ‰ | per-mile |
