⌨ Keyboard Shortcuts
| Key | Action |
|---|---|
| Digits & Input | |
| 0–9 | Enter digit |
| . | Decimal point |
| ( ) | Parentheses |
| Operators | |
| + - * / | Arithmetic operators |
| % | Percent / modulo |
| Actions | |
| Enter or = | Calculate result |
| Backspace | Delete last character |
| Delete | Clear entry (CE) |
| Escape | Clear all (AC) |
| Other | |
| ? | Open this help panel |
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Semi-Prime Grid (pᵢ×pⱼ)
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