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Math and personal-finance calculation tools

Numerical, symbolic and plotting tools for mathematical work

AI study help that explains homework steps for students and parents

Math and electrical calculations in a compact tool directory

Editable calculations with automatic dependency updates

Draw and annotate live with a student inside a virtual tutoring lesson.

AI language tutor for speaking practice and pronunciation feedback.

AI English tutor for speaking practice with real-time feedback

AI language tutor for conversation practice in 30+ languages

Browser-based coding and AI courses with live code execution

AI academic writing tool that generates cited essays and research papers.

A natural-language calculator for units, dates, finance, and developer math.

Free ACCA and CIMA notes and lectures with forums and tutor-question routes.

A Markdown notebook that keeps notes in a Git-backed repository and works in the browser or desktop apps.

A tutoring whiteboard combining shared lessons, PDFs, formulas, quizzes, and flashcards.

Prepare corpora and examine vocabulary in context

AI language tutor for speaking practice

AI tutor for spoken language practice with instant feedback.

Modular WordPress SEO settings, structured data and content guidance.

A local Markdown editor for people who want rich text and source files in their own folders.

Convert documents between Markdown, HTML, LaTeX, Word, and other markup and word-processing formats.

YouLearn AI turns PDFs, YouTube videos, and recorded lectures into notes, chats, and quizzes.

AI language tutor for speaking practice with instant corrections

AI-native Markdown notes with encrypted sync for developers