Free FEM to be installed or online
FEM software. Install is normally required (Mac, Windows, Linux) … but an online version is available (look at the right
Calculation
Online calculators and computational tools for engineering, science and mathematics, from beam and buckling checks to unit conversion, symbolic math and reference formulas. Most run directly in the browser and give a quick result to confirm a hand calculation or an early design estimate.
These tools calculate beams, column buckling and section properties, and run finite element analysis or anchor design checks. They also convert units and compute speeds and feeds, pressure drop, heat sink performance and torque. Graphing and symbolic calculators, numeric computing environments, ergonomic assessment tools and math function references are included as well.
Framacalc online collaborative spreadsheet
Not the most feature-rich spreadsheet, but ZERO install or registration: Framacalc is a collaborative, web-based spreadsheet service hosted by Framasoft
MH-Audio Sound and Audio Calculators (Archive)
A very good resource for online Audio Calculators, classified into 6 categories:LoudspeakerCrossoverAcousticElectronicTurntableVariousthat really shines in Acoustic and Loudspeaker. The MH-Audio
The On-Line Encyclopedia of Integer Sequences (OEIS)
The largest online integer sequences database, searchable. It provides a searchable interface to identify sequences by numerical terms, keywords, or
Online Units Converter
Efficient and well organised (be sure to look at the “by Family” drop-down and not stay at the “Most Popular”
Wolfram Alpha Science Reference & Computational
Provides engineering information and problem solving techniques and maths, all powered by a powerful search engine: WolframAlpha functions as a
Statistics Tables
Provides all the statistical tables when MS Excel has no formula to compute it automatically. All these tables here are
Free LaTex Formula Editor
While several LaTeX editors are available online, not many are specialized in Latex math formulas, efficient, all math functions, Greek
Octave Online
An online version of Octave, a a high-level language for numerical computations and plots: Octave Online provides a cloud-based integrated
Scilab Computation Software
Free and open-source software for numerical computation providing a powerful computing environment for engineering and scientific applications: Scilab a high-level