Rapid Pi is an add-on for Microsoft Word that lets you insert mathematical symbols and expressions easily. Have you ever noticed what a hassle it is to write maths, fractions, powers, etc? Normally in these cases you waste time looking in submenus, inserting symbols, etc, clicking a lot and losing all work flexibility.Thanks to Rapid Pi you can edit mathematical expressions of all types very easily, in a very versatile way and much quicker than usual. Maths students, or of technical disciplines will fully appreciate Rapid Pi and the help it can give when working.