We built a whiteboard where the AI writes back in handwriting

You write a maths problem by hand and double-tap it, and the AI works it out beside yours, stroke by stroke, like someone holding a second pen. Your student watches it happen live from a link.

Teaching online with a tablet is lovely until you want help from an AI. Then you're stopping the lesson, typing the problem out and pasting an answer back. We wanted the help to arrive the way a good tutor gives it: on the board, in handwriting, a line at a time.

So you write the problem and double-tap it. A little glowing pen tip appears and starts writing the working beside yours. It never writes over your ink, and every letter is a real pen stroke, so you can move it or rub it out like your own. Ask for just a hint when your student's nearly there, have it check their working and circle the mistakes in red, or let it reveal the solution one step at a time. Drop in a worksheet and it writes in the margin, right next to the question.

Your student opens a link in any browser and watches the board live, the AI's pen included, and it stays sharp at any zoom, which screen sharing never does. It works with Apple Pencil on iPad, on Android and Windows tablets, and with a mouse on a desktop.