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Teachoo is an AI homework helper for school students that guides them through questions step by step across subjects including math, science, writing, history, logic, and coding. It accepts typed questions and photos of worksheets or whiteboards, with visual explanations, multilingual lessons, and progress tracking.
calculate.at is a browser-based library of online calculators for everyday math, finance, health, conversion, and date/time tasks. The site highlights no signup and shows formulas and worked examples alongside results.
Kogvio is a Chrome extension that helps users understand complex diagrams, mathematics, and technical documentation from an on-screen overlay. It is designed for study and technical reading workflows that benefit from quick, in-tab assistance.