Calc Luck is a free math game for kids in the elementary school level. The app is based on random math questions and answers. The game has smileys and a color button that appears large. When the correct answer is given, the smileys will appear.

The app can be set to show the results as digits, additions, and multiplications. There is a subtraction option and the option to show the results as a multiplication table. You can also choose the way of showing the multiplication table, as a list or a grid.

This application can be used as a learning tool.