Solve Challenging Engineering Problems with Excel.
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Curve Fitting in Excel
I’ve discussed linear regression on this blog before, but quite often a straight line is not the best way to represent your data. For these

Linear Interpolation in Excel
To perform linear interpolation in Excel, use the FORECAST function to interpolate between two pairs of x- and y-values directly. In the example below, the

3 Axis Graph Excel Method: Add a Third Y-Axis
Ever wanted to know how to create a 3 axis graph in Excel? The other day I got a question from Todd, an EngineerExcel.com subscriber.
Latest Engineering Articles

Colebrook-White Equation
The Colebrook-White Equation (or simply Colebrook Equation) is an engineering equation used to approximate the Darcy friction factor (or Darcy-Weisbach friction factor) for turbulent flow

Section Modulus: Calculators and Complete Guide
Section modulus is a geometric property of a cross section used in the design of beams or other flexural members that will experience deflection due

Moody Chart for Estimating Friction Factors
A Moody Chart (or Moody Diagram) is used to estimate the friction factor for fluid flow in a pipe. The chart represents friction factor as