Month: March 2013

Categories
News Review

2Pac – Hit ‘Em Up (Dirty) (Music Video) HD

Music video by 2Pac performing Hit ‘Em Up (Dirty)Listen to the full Official “All Eyez On Me” Album from 2Pac : https://www.youtube.com/playlist?list=PLNvnh4…

Categories
October Surprise 2016

Where and When Did the Symbols “+” and “–” Originate?

The ancient Greeks expressed addition mostly by juxtaposition, but sporadically used the slash symbol “/” for addition and a semi-elliptical curve for subtraction. In the famous Egyptian Ahmes papyrus, a pair of legs walking forward marked addition, and walking away subtraction.