Duktig Calculator is a free experimental calculator developed by Sergey Solovyev RU, available on Android. It is categorized under Utilities & Tools. This calculator is designed on math.js, an extensive math library that supports numbers, big numbers, complex numbers, fractions, units, and strings.

The calculator has a simple and user-friendly interface that allows users to perform various mathematical operations such as addition, subtraction, multiplication, division, and exponentiation. It also has the ability to handle trigonometric functions, logarithms, and even statistical functions. The app is relatively small, taking up only a small amount of storage space on a device.

Overall, Duktig Calculator is an experimental calculator that is perfect for basic mathematical operations. If you are looking for a simple and reliable calculator, then Duktig Calculator is worth considering.