Proposed changes to North Carolina's math standards would shake up requirements for upperclassmen in the state’s public high schools and emphasize real-world problem-solving in all grade levels. The ...

Marcus du Sautoy uses combinations of peaches and plums and a set of scales, to show how simultaneous equations can be solved. This method didn’t appear in the West until the 19th century, but had ...

You can get solutions with the least-squares method even if overdetermined systems (the number of equations is greater than the number of variables). It is written in C++. C++11 or later is required.