The 1.31 version of fnA is available as a free download on our website. The most popular version of the software is 1.3. The program's installer file is commonly found as FNA.exe. The program lies within Business Tools, more precisely Finances. This software is an intellectual property of RJ Software.
From the developer:
FNA is a multi-function scientific calculator and unit conversion utility. Four modes of operation (statistics, trigonomety, base-n, and unit conversion). Convert units of Acceleration, Angle, Area, Density, Energy, Force, Fuel Efficiency, Length, Mass/Weight, Power, Pressure, Speed, Temperature, Time, Torque and Volume.
You may want to check out more software, such as FNaF-MINECRAFT or FNaF - Bonnie Simulator, which might be related to fnA.