Gamma Calculator is a free Android app developed by Devraj Jha, falling under the Utilities & Tools category. This app is designed to calculate exposure time, decay, geometric unsharpness, distance, and decay chart for one year for Iridium-192, Selenium-75, and Cobalt-60 sources made of steel, concrete, tungsten, or lead. The app also displays the R-Factor and Pipe Schedule and can convert the decay chart into a PDF format.

With Gamma Calculator, users can easily and quickly calculate radiation source parameters without the need for complex calculations. The app's interface is user-friendly and straightforward, making it easy for users to navigate through the different features. Gamma Calculator is an excellent tool for those working in the radiation industry or those who need to calculate radiation source parameters. Download Gamma Calculator today and experience its features!