How-To Geek on MSN

Excel PivotTables seem complicated—until you understand the basics

You don't need complex formulas to summarize thousands of rows when PivotTables can do the heavy lifting for you.
How-To Geek on MSN

Nobody told me about these 5 Excel PivotTable tricks—now I use them every day

PivotTables can do more than you think, from splitting reports by category to calculating unique counts and percentage growth ...
GitHub

pymrio: Multi-Regional Input-Output Analysis in Python

The master branch in that repo is supposed to be ready for use and might be ahead of the official releases. To install directly from the master branch use: A small test mrio is included in the package ...
IEEE

Computational Guidance Using Model Predictive Static Programming for Challenging Space Missions: An Introductory Tutorial with Example Scenarios

Abstract: Several essential services, such as cellular phones, the Internet, television, navigation, weather prediction, and remote sensing, rely on satellites in low-Earth orbits, the technology for ...
GitHub

ut-beg-texnet/NonLinLoc

The NonLinLoc (Non-Linear Location) package is a set of programs for velocity model construction, travel-time calculation and probabilistic, non-linear, global-search earthquake location in 3D ...