Vernier Simulation

Customise main scale divisions, vernier scale divisions and zero error using the sliders at the top right panel.
Create problem by clicking create problem button, and drag the created object near the internal jaws, external jaws or depth blade to snap, now move vernier to read its width.

Controls

Pinch or use keys Page Up/down to zoom.
Use mouse wheel, arrow keys or drag thimble to rotate vernier.