Paste onto the board

Copy a screenshot, a picture or some text. Then press Ctrl+V anywhere on the board. On a phone, long-press the box and choose Paste.

Click here, then press Ctrl+V

PDF

Clear the board?

This removes every line, arc and pasted item. Undo brings it back.

Enter solves. Shift+Enter adds a line.

Every answer is worked out by exact maths code. No AI is used.

Examples

Loading the solver…

Your board as an image

Right-click the image and choose Copy or Save. On a phone, long-press it.

The board as a picture
Calculator · drag to move