ArcGIS Online provides ArcGIS users with a set of foundation services that are deeply integrated with ArcGIS. As an ArcGIS user, you have immediate access to map services, task services, software developer kits (SDKs),...

This guide instructs teachers in classroom use of the MELTS software package. MELTS is a software package designed to facilitate thermodynamic modeling of phase equilibria in magmatic systems. It is used by scientists to...

Despite its curious name, Fast Fourier Transform in the West (FFTW) is a powerful, free "C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of both real and complex data,...

In this exercise from SERC's Starting Point, students measure a topographic and geologic cross-section across a floodplain by simple surveying and auguring techniques. This example demonstrates how basic GIS elements can...

Mgfun is a group of Maple packages intended for calculations with multivariate generating functions, in particular for their symbolic summation and integration, and for the proof of special function and combinatorial...