Jeff Moore rakes the zen garden included in his back yard landscape plot plan. Photo courtesy San Diego County Water Authority Fourth in a series republished with permission from the San Diego County ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

The gnuplot plotting software lets you write scripts and plot data. Engineers often need to plot and analyze data. While Microsoft Excel covers many data-analysis applications, it doesn't always let ...