Maxima is a free, open-source computer algebra system written in Lisp with an emphasis on symbolic computation. It is based on the DOE-MACSYMA system and licensed under the GPL. Its capabilities include symbolic integration, 3D plotting, solving differential equations, manipulation of symbolic and numerical expressions, and high-precision numerical calculations. It runs on Windows, Linux, and Mac, with both terminal and notebook interface options, and has an active user community with frequent updates.
The TI 84 Calculator Online is an independent third-party free online graphing calculator simulator. It mimics TI-84 Plus and TI-84 Plus CE models, providing graphing, scientific calculation and subject-specific tools for algebra, geometry, statistics, precalculus and calculus directly in a browser with no downloads or installation required.
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Cheatography provides educational videos, lessons, tutorials, or self-learning resources.
Fraze.it is a multi-language resource for improving writing skills. It supports English, French, Spanish, German, Italian and Portugese, and offers access to more than 100 million daily use sentences. The platform serves professional writers, college students, ESL students and teachers, and provides tools to search for sentences with filters including interrogative structure, sentence start/end terms, famous quotes and present perfect tense examples.
Flashka is an AI-powered study application that transforms user-uploaded notes, PDFs, lecture slides, and recorded audio into learning materials. Its features include AI-generated flashcards, spaced repetition scheduling, quizzes, mock exams, study plans, lecture transcription, mind maps, oral exam practice, case studies, and image occlusion tools. An integrated AI tutor provides support, and users can request material edits via an in-app chat.
NotebookCast is a free online collaborative whiteboard that does not require signup to start using. It supports real-time multi-user drawing, includes built-in time-unlimited audio and video calls, and provides tools such as shape drawing, sticky notes, text editing, and screen sharing. Users can create reusable whiteboard templates, access night mode, and share whiteboards via links. A free registered account allows saving whiteboards to a personal dashboard, and the tool works on any modern browser.
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The TI 84 Calculator Online is an independent third-party free online graphing calculator simulator. It mimics TI-84 Plus and TI-84 Plus CE models, providing graphing, scientific calculation and subject-specific tools for algebra, geometry, statistics, precalculus and calculus directly in a browser with no downloads or installation required.
Look up definitions and examples of English words.
Cheatography provides educational videos, lessons, tutorials, or self-learning resources.
Fraze.it is a multi-language resource for improving writing skills. It supports English, French, Spanish, German, Italian and Portugese, and offers access to more than 100 million daily use sentences. The platform serves professional writers, college students, ESL students and teachers, and provides tools to search for sentences with filters including interrogative structure, sentence start/end terms, famous quotes and present perfect tense examples.
Flashka is an AI-powered study application that transforms user-uploaded notes, PDFs, lecture slides, and recorded audio into learning materials. Its features include AI-generated flashcards, spaced repetition scheduling, quizzes, mock exams, study plans, lecture transcription, mind maps, oral exam practice, case studies, and image occlusion tools. An integrated AI tutor provides support, and users can request material edits via an in-app chat.
NotebookCast is a free online collaborative whiteboard that does not require signup to start using. It supports real-time multi-user drawing, includes built-in time-unlimited audio and video calls, and provides tools such as shape drawing, sticky notes, text editing, and screen sharing. Users can create reusable whiteboard templates, access night mode, and share whiteboards via links. A free registered account allows saving whiteboards to a personal dashboard, and the tool works on any modern browser.
