Instrument Systems GmbH has launched the IS-SPECWIN spectral analysis software for Windows 95. The software supports all of the company's spectrometers and can be used for spectroradiometry and for measurement of transmission and reflection. The click of the mouse begins a measurement and activates a change in the test parameters. All settings can be saved in desktops defined by the user. Additional features include a built-in mask editor, integrated spreadsheet and intuitive user interface.