API-AIO(98/PC) is the Windows version analog input-and-output driver. I offer the command to hardware in a standard Win32 API function (DLL) form for Windows. By various programming languages, such as Visual Basic and Visual C++, the highly efficient application software which harnessed the special feature of hardware can be created. * [Standard appending] is carried out to the PCI bus correspondence board. The newest version can carry out [free download] from a special site [API-TOOL Developer`s Site].