Contact
Questions, ideas or a mistake in a calculation? Write an email, ideally with a link to the triangle (Share & print → Copy link).
Email:contact@trianglecalculator.app
Pinned, kept fixedCalculated
- Drag a corner to reshape; angles snap to 15° (hold Alt to move freely)
- Arrow keys move a focused corner
- Click a value to type it: Enter applies, Esc cancels, ↑ ↓ nudge, Shift ×10
- Drag a value sideways to adjust it
- Click a pin to keep a value fixed
- Drag a corner to reshape; angles snap to 15°
- Tap a value to type it, − and + step it
- Slide a value sideways to adjust it
- Tap a pin to keep a value fixed