Wed, 1 July 2020, 6:00:02 pm

LS Optimizer software is used to determine parameters of differential equations (ODE, PDE) through known experimental data. The user must provide a solver for the differential equation supposing known parameters, as well as an experimental dataset.

Mon, 12 March 2012, 7:05:36 pm

Calculate times of sunrise, sunset, moonrise and moonset and more for your location at any given date

Mon, 21 March 2011, 1:05:24 am

Interactive periodic table of chemical elements, you can display element properties by moving a mouse cursor. Included element properties: English and Latin name, symbol, proton number, electron configuration, electronegativity, phase, metal/nonmetal