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Nothing but history's most interesting letters. Click to read Letters of Note, by Shaun Usher, a Substack publication.

Create, compose, collaborate, play, and print your sheet music using the world's most simple and intuitive web-based music writing and composition software.

Approach Zero: A math-aware search engine.

Score Perfect Professional Lite 5.1Also called SPP Lite 5.1Score writer / music notation program by Scoretec (developed by Klaus Kleinbrahm)Language: Dutch...

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Canorus is a free cross-platform music score editor - canorusmusic/canorus

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

A free, open-source, online chord sheet creator

Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos y grupo de chat. Fundamentos, frontend, backend, testing, IA...

Battery University™ is a free educational website offering hands-on battery information.

World's simplest collection of useful mathematics utilities. Generate number sequences, draw fractals, do quick matrix and numerical calculations, and more!

Basic Electronics Tutorials and Revision Helps Beginners and Beyond Learn Basic Electronic Circuits, Engineering, and More. Visit Today!

ABC is a music notation format. This website promotes the ABC Music standard and offers a home for developers that write ABC compliant software.

Keep Formula is a simple app to make your calculations easier!

Download abcCairo for free. Extend abcm2ps to support direct generation of PNG, SVG and PDF files. abcCairo is a project to create a Cairo backend for abcm2ps, enabling it to generate output in the formats supported by the Cairo library; PNG, SVG and PDF.

Food Timeline: food history reference & research service

End-to-end Optical Music Recognition (OMR) system. Transcribe phone-taken music sheet image into MusicXML, which can be edited and converted to MIDI. - BreezeWhite/oemer

Imperial War Museums explores conflict from WW1 to the present day. Visit one of our five sites or explore our archives to discover real stories of modern war.

Code for the manim-generated scenes used in 3blue1brown videos - 3b1b/videos

Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines.

Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines.

Animation engine for explanatory math videos.

Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines.

Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines.

The encyclopedia of natural numbers, random number generators, Roman numbers, prime numbers etc. All about natural numbers: basic and advanced mathematics, computing, codes and images, writing and naming in other languages, interesting data (numerology, history, culture, philosophy, biology, physics, chemistry, metaphysics, religion, distances, heights, times, crashed planes, games, ...)