Calulator

NSEconomy is an economic statistics calulator for NationStates. It allows nations to check the GDPs, budgets, exchange rates, and other statistics for their own and other nations, and to check the status of regions. Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Morello Matrix Calculator is a simple, low cost utility for manipulating matrices of real numbers. It is as easy to use as a pocket calculator, but can perform most standard matrix operations for matrices up to 20 elements square. It also supports cut and paste operations allowing matrix data to... Platforms: Windows

CHEMIX School is an educational tool for learning chemistry. It is geared toward college-level chemistry, but is also appropriate for high-school students, chemists, and teachers. It is equipped with a periodic table containing history, 19 physical properties + number of stable isotopes,... Platforms: Windows, Windows 8, Windows 7, Windows Server

If you?re like most contractors, you?re wondering how to increase the amount of work you?re being awarded without increasing your overhead or risk. If you haven?t yet ?retooled? your estimating process, you?re probably missing out on some ?low hanging fruit?. Customers of HandyEstimator's... Platforms: Windows

Function: * Matrix inverse. * Matrix transpose. * Largest component. * Smallest component. * Matrix or vector norm. * Dimension. * Sum of diagonal elements. * Determinant. * Matrix rank. * Eigenvalues. * QR factorization. Orthogonal-triangular decomposition. * LU factorization. *... Platforms: Windows