CodeCogs v3
The interactive open source library
Welcome to CodeCogs

CodeCogs is a collaborative open-source library, with numerical components in C/C++ that can also be downloaded as Excel addins or used interactively through any website.

Our goal is create a well documented source of numerical solutions in all areas of engineering, computing, mathematics, science and finance.

Please join the community and contribute whatever you can.


Instant Calculators
Instant Calculator
Create your own bespoke calculator for your website. Keep your equations and trade secrets hidden, while letting your users perform complex calculations and plot graphs.
LaTeX Equation Editor
LaTeX Equation Editor
A web-based LaTeX equation editor that generates graphical gif equations and HTML code to embed the equation into any website, forum or blog.
Excel Equations
excelEquations
Convert Excel Formulas into graphically rendered equations automatically. Check formulas and improve documentation.

log inv

maths/arithmetic johnylol
Function to compute the inverse logarithm, by feeding it with the base and the result.... more »

circle

geometry/area jarjar
This module computes the area of the circular segment formed between a circle tangent to a reference line and a line found at a given distance from this reference line.

The various cases are described by the images given in the following documentation, where the area which we want to compute is that of the filled shape.

Solution

Consider an orthogonal coordinate system and \mathcal{C}(O, r) a circle so that there exists P \in \mathcal{C}(O, r) with
... more »

Bending of Beams Part 1

engineering/materials/beams lodmore
INTRODUCTION

It is intended that the deflection of beams will be considered in six parts of which this is the first. There will also an appendix which will give the deflection and stress formulae for a number of beams under differing loads and systems of support.

Where necessary equations will be referred to by part and equation number eg (Part 2 equation 34).

Strain Energy due to Bending.

Consider a short length of beam \displaystyle \delta xunder the
... more »

Shear Force and Bending Moment

engineering/materials lodmore
Shearing Force

The shearing force (SF) at any section of a beam represents the tendency for the portion of the beam on one side of the section to slide or shear laterally relative to the other portion.

13108/img_shear_and_bm_1.jpg
+

The diagram shows a beam carrying loads \displaystyle W_1\;;\;W_2\;\;and\;\;W_3. It is simply supported at two points where the reactions are \displaystyle R_1\;\;\;and\;\;\;R_2 Assume that the beam is... more »

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