Microsoft's Minecraft Set to Launch its Own Currency. by. Microsoft Corp. is adding a new marketplace -- and a brand new currency -- within the video-game Minecraft, opening up the opportunity for businesses to sell their original content and creations to tens of millions of the gameâs players for the first time.
In combinatorics, the rule of sum or addition principle is a basic counting principle. Stated simply, it is the idea that if we have a ways of doing something and b ways of doing another thing and we can not do both at the same time, then there are a + b ways to choose one of the actions.
Counting on our fingers defined the mere representation of space around us to such an extend that it is still in use nowadays in the base of the most used numbering systems. The quinary system, or base 5 counting, uses the fingers of one hand; the decimal system (base 10) uses both hands; the vigesimal system (base 20) uses both fingers and toes. Of course, other bases have been devised and used by different cultures, embodied in their language now extinct or still alive.