Volatile functions in Microsoft Excel are useful when you want to display real-time data, as they recalculate whenever a workbook is reopened, or when any other calculations are performed. However, ...

allowing you to set on/off schedules (think coffeemakers or floor lamps) and monitor energy use, among other handy tricks for appliances you already have around your home.

An Irish mathematician George Boole developed a mathematical system with the use ... the NOR gate produces a HIGH (1) output; only both inputs are LOW (0). The NOR Gate Boolean expression is denoted ...