posted an update —

Formula Forge is now live as a multimodal AI tutor for math, science and engineering. It teaches the method, not just the answer.

What's new

  • Three ways to enter a problem: type it, upload a photo or paste a screenshot, or draw it by hand.
  • Read my drawing: the AI transcribes handwriting into editable text, so you can fix any misread digit before solving.
  • Three learning modes: Solve for a step-by-step solution, Hint only for guided hints without the answer, and Check my work to find the first mistake in your own attempt.
  • Level and subject controls: Beginner, Standard or Advanced, plus Math, Physics, Chemistry, Biology, Engineering or Logic.
  • Follow-up questions and practice: ask why a step works, or get a similar problem to try with a self-check answer.
  • Export: copy a solution, download it as Markdown, or print it to PDF.

Under the hood

  • A custom drawing canvas with undo that re-renders your strokes clearly before sending them to the model.
  • A Vercel serverless function that keeps the API key private, validates inputs, and falls back to another Gemini model if one is unavailable.
  • Images are compressed in the browser so large photos don't fail.

What I fixed along the way Early versions misread handwriting and drew the line away from the cursor. The new canvas and the editable transcription step fixed both.

Next LaTeX math rendering, a history of past problems, and classroom features for teachers.

Try it: https://formula-forge-phi.vercel.app Code: https://github.com/Santosh02411/Formula-Forge

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