78 Times People Got Asked To Solve The Weirdest Math Problems And Delivered (New Pics)

When I was in middle school, I had a classmate who would look at trigonometric functions and yell, "I will never need these!" ...
IEEE

Optimal Power Flow with Four Objective Functions using Improved Differential Evolution Algorithm: Case Study IEEE 57-bus power system

Abstract: The most common objective functions of optimal power flow are fuel cost minimization, minimization of emissions, real power losses, and reduction of voltage deviation with satisfying ...
IEEE

Bidirectional AC–DC Modular Multilevel Converter With Electric Spring Functions for Stabilizing Renewable AC Power Grid at the Distribution Voltage Level

Abstract: Bidirectional ac–dc power converters are essential in emerging smart grids with increasing renewable energy penetration. This article presents a bidirectional ac–dc power converter system ...
History-Computer on MSN

Logarithms explained: Everything you need to know

Complete Explanation A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for ...