D espite its age, Excel continues to evolve with new functions being added over time. There are newer better Excel functions ...

Xcel Energy will have to provide higher-quality data, and introduce flexible tariffs, following a vote from the Colorado PUC.

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

Researchers in the Middle East have developed a fuzzy logic controller that simultaneously optimizes the tilt angle of PV systems and performs maximum power point tracking (MPPT). Year-long ...