Magic of Brackets app for iPhone and iPad

"Knowledge is real knowledge only when it is acquired by the efforts of your intellect, not by memory" Leo Tolstoy

The application is а math brain-twister. The purpose of the application is to accelerate the development of mental calculation skills with basic mathematical operations (addition, subtraction, multiplication and division).
The application develops an understanding of priority of mathematical operations and the purpose of parentheses.

Application features:
● free choice of the level of difficulty (novice, master or expert) without the need to accomplish all levels one after another;
● the interim calculation screen allows you to control the sequence of operations performed; it also prevents you from memorizing false knowledge;
● the table of achievements introduces a game component to the learning process and stimulates for achieving better results;
● the application has simple and intuitive interface.

Despite the seeming simplicity, doing calculations requires mental agility and people of any age will not feel bored with this application.

The application is free of any advertising and in-app purchases.

Sounds for this application are taken from freesound.org.
Licenses: Creative Commons 0 (https://creativecommons.org/publicdomain/zero/1.0/),
Creative Commons Attribution 3.0 (https://creativecommons.org/licenses/by/3.0/legalcode)

P.S. Your feedback is highly appreciated. It will help us to continuously improve the app and include new features.