Engineer's Survival Kit

Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.

Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.

Leading 3D CAD software facilitating design, analysis, and product data management. Boosts productivity and accelerates time to market through seamless integration.

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments.

A versatile open-source 3D CAD modeler with modular architecture, suitable for engineering applications across multiple platforms, supporting Python scripting.

Free, lightweight PDF viewer available on multiple platforms. Features include annotation, form-filling, signing, cloud integration, and more.

Provides university-level technical courses online with self-paced, interactive project-based learning, industry collaboration, mentorship, and certificates.

Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.

Overleaf, formerly WriteLaTeX, is a collaborative writing and publishing system that makes the whole process of producing academic papers much quicker for both authors and publishers.

LaTeX is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation.

Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.

Mathway provides students with the tools they need to solve their math problems. With tens of millions of problems already solved, Mathway is the #1 online problem solving resource available for students, parents, and teachers.

Explore math with the fast and powerful Desmos Graphing Calculator. Plot any equation, from lines and parabolas to derivatives and Fourier series. Add sliders to demonstrate function transformations, create tables to input and plot data, animate your graphs, and more—all for...

Free Step-By-Step Solutions to algebra problems.