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This online unit conversion tool will help you convert measurement units anytime and solve homework problems quickly using metric conversion tables, SI units, and more.

SimFlow is a CFD software, an OpenFOAM® GUI for Windows and Linux. SimFlow is focused on engineering and science. Computational Fluid Dynamics (CFD) Software. Fluid Flow simulation CFD.

SimScale is a full-cloud CAE simulation software that helps you perform CFD, FEA, and thermal simulations for CAD models in the cloud.

CFDTool - Easy to Use Computational Fluid Dynamics CFD Toolbox

LAMMPS home page

Download Avogadro for free. An intuitive molecular editor and visualization tool. Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science and related areas. It offers a flexible rendering framework and a powerful plugin architecture.

Algebra Calculator shows you the step-by-step solutions! Solves algebra problems and walks you through them.

Update (August 2024): We are creating a brand new app at molview.com, featuring a new sketcher and a new viewer. Let us know what you think! Follow us on LinkedIn for updates.

🙀 A cat explains how HTTPS works...in a comic! 😻

A simple heat simulation in pure Rust. .

Solve derivatives using this free online calculator. Step-by-step solution and graphs included!

Solve definite and indefinite integrals (antiderivatives) using this free online calculator. Step-by-step solution and graphs included!

Free tools and information for engineering and design of technical applications.

Desmos Studio 提供全球通用的免费绘图、科学、3D 和几何计算器。访问我们的工具，与我们合作，或探索示例以获取灵感。

Engineers Edge - Engineering tools, Engineering Reference for the engineering world.

Awesome Mechanical Engineering Resources.

fxSolver is a math solver for engineering and scientific equations. To get started, add some formulas, fill in any input variables and press "Solve."

Scientific calculator with sleek interface and powerful capabilities

High precision scientific calculator with full support for physical units.

Kalker is a calculator that supports user-defined variables, functions, ambiguous syntax, differentiation and integration. It runs on Windows, macOS, Linux, Android, and in web browsers (with WebAssembly).