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OneConverter is a free online service for converting PDF files and units of measure, intended for work, study and business. It offers file conversion, unit converters and PDF tools such as merging, splitting and compressing, and works on Windows, Mac and Linux with an internet connection.
Math is Fun explains mathematics in easy language and offers puzzles, games, worksheets and an illustrated dictionary. It is intended for K-12 kids, teachers and parents, and covers topics such as times tables, data, geometry, numbers, money, algebra, calculus and physics.
Histology Guide is a digital platform for teaching students to identify cellular and tissue structures and how they relate to biological functions. It presents microscope slides in a virtual format for hands-on exploration of high-resolution microscopic specimens. It was developed by Robert L. Sorenson and T. Clark Brelje, and is accompanied by the Atlas of Human Histology.
A datasheet search service covering more than 900,000 electronic component datasheets from manufacturers. It offers technical specifications, electrical characteristics, package details and PDF documents for semiconductors, ICs, MOSFETs and other components, and allows checking equivalents with daily updates.
Project Euler is a series of challenging mathematical and computer programming problems. Most problems require computer and programming skills in addition to mathematical insight. The site aims to offer a platform for learning new concepts in a recreational context, and accounts can be used to track progress.
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OneConverter is a free online service for converting PDF files and units of measure, intended for work, study and business. It offers file conversion, unit converters and PDF tools such as merging, splitting and compressing, and works on Windows, Mac and Linux with an internet connection.
Math is Fun explains mathematics in easy language and offers puzzles, games, worksheets and an illustrated dictionary. It is intended for K-12 kids, teachers and parents, and covers topics such as times tables, data, geometry, numbers, money, algebra, calculus and physics.
Histology Guide is a digital platform for teaching students to identify cellular and tissue structures and how they relate to biological functions. It presents microscope slides in a virtual format for hands-on exploration of high-resolution microscopic specimens. It was developed by Robert L. Sorenson and T. Clark Brelje, and is accompanied by the Atlas of Human Histology.
A datasheet search service covering more than 900,000 electronic component datasheets from manufacturers. It offers technical specifications, electrical characteristics, package details and PDF documents for semiconductors, ICs, MOSFETs and other components, and allows checking equivalents with daily updates.
Project Euler is a series of challenging mathematical and computer programming problems. Most problems require computer and programming skills in addition to mathematical insight. The site aims to offer a platform for learning new concepts in a recreational context, and accounts can be used to track progress.
Organic Chemistry Portal provides an overview of recent topics, reactions, and information on important chemicals for organic chemists. The site covers name reactions, protective group stability data, synthetic transformations, and article abstracts from organic synthesis journals. It also lists chemicals from suppliers and offers a chemistry tool for estimating molecular properties.
