By using convert button, you can convert your current result to seconds, minutes, hours, days and years. You can switch between light and dark theme. It is easy to share calculation history or results. Click on the result, you will copy result. Click on calculation history, you will copy calculation history. Click on any saved calculation, you will copy that one in to your clip board. Following advantanges will be available if you purchase Pro inside the app; • Remove ads • Dark theme • Multiply and divide • Saving calculations