| sin 30° | 0.5 |
| sin 45° | 0.70711 |
| sin 60° | 0.86603 |
| cos 30° | 0.86603 |
| cos 45° | 0.70711 |
| cos 60° | 0.5 |
| tan 45° | 1.0 |
| π (Pi) | 3.14159265... |
| e (Euler) | 2.71828182... |
| √2 | 1.41421356... |
| √3 | 1.73205080... |
| Golden ratio φ | 1.61803398... |
| Circle area | π × r² |
| Circle circumf. | 2 × π × r |
| Hypotenuse | √(a² + b²) |
| Slope % | (rise/run) × 100 |
| Deg → Rad | deg × π / 180 |
| Rad → Deg | rad × 180 / π |
| Enter / = | Calculate |
| Escape | Clear all |
| Backspace | Delete last |
| 0–9, . + - * / | Input |
| ( ) | Parentheses |
| ^ | Power |