Despite its extensive functionality, the software is simple to use. What you can accomplish with both categories and units is as follows:- To simplify the presentation in the Favorites pane, mark them as Favorites. Only the items you require will be visible in this view. During the installation of the application, a small number of the most popular things are pre-selected as Favorites.- Look for them.- Look for them in the most recently accessed items list.The apps 300+ units are divided into 18 different categories:- Math:Acceleration converterAngle converterArea converterTemperature converterTime converterVolume converterLength converterMetric Prefix converter- Data:Data Storage ConverterData Transfer Rate/Bit Rate Converter- Energy:Fuel Economy ConverterElectric Charge ConverterEnergy ConveterElectric ConductivityElectric Current- Physics:speed converterTorque conveterFrequency converterForce Converter