Whiteboard – Maths & ICT
PDF ANNOTATION • RULER • LOGIC GATES • GRAPH • AI
Load a PDF, write on it with the pen – each page keeps its own ink. Pin a PDF to keep it in this browser. Nothing is uploaded.
Uses your own Gemini API key – stored only in your browser. Nothing is sent to our server.
Your all-in-one whiteboard for maths and ICT lessons
Teach with confidence: load a PDF worksheet and annotate it with the pen, use a draggable ruler, protractor and set square, plot on graph or number-line backgrounds, and stamp logic gates or flowchart symbols directly onto the board. Insert LaTeX equations with the equation tool, and use spotlight or screen shade to reveal content step by step.
Teacher Tools
Flood-fill the inside of a closed shape on the current board. Pick a color, press Start, then click inside the shape. Works per board; your pen is untouched when fill is off.
Add a movable colored note that belongs to the current board only. Drag by its top bar, click a dot to recolor, type inside, press x to remove. Notes are live overlays (not part of the saved PNG) and hide when you switch to another board tab.
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