Use the F Lock key. If your keyboard has an F Lock key, press it to toggle between the standard commands and alternate commands. When the F Lock light is Off, alternate functions work (Help, Undo, and so on). When the F Lock light is On, standard functions work (F1, F2, and so on).
DEFINITION of 'Price Inflation'. An increase in the price of a standardized good/service or a basket of goods/services over a specific period of time (usually one year).
Inflation generally means overall increase in the price of goods and services ( Tradable commodities) in long term. It is caused by various macro economic factors. Rate of inflation is a metric to indicate how much price level is varied (increased) compared to previous financial year. For instance, a commodity A sold at 100 bucks on April 2013 and at 120 bucks at March 2014. That means inflation in that year was 20 %.