Penmentor Integrates LLMs for Handwritten Math Tutoring
October 20, 2026
Penmentor provides real-time handwritten math feedback by integrating Claude, Gemini, or GPT into Xournal++. It uses visual overlays to circle errors and generates Manim-style animations to explain calculus concepts.
HOW THIS AFFECTS YOU
●
builderYou can implement similar workflows by combining handwriting capture with multimodal LLM prompting.
●
designerThis shows a new UX pattern for multimodal feedback via visual overlays and animations.