«Stolbik Lite» is a free version of the «Stolbik» app. It differs from the full version by advertising and the absence of multiplication and division functions in the calculator.

To perform math calculations by column method is a world-famous practice. Our application will allow you to master and consolidate the ability to perform such calculations without pen and paper: everything you need is a phone. Solving examples will turn into an exciting puzzle that will interest both children and adults, and in difficult situations, you will have a button "Help", where each step of the calculation is explained at length with illustrations.