Formula Book

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In this update of Formula Book we have fixed an issue which made some of our users angry (pretty much like this guy: (╯°□°）╯︵ ┻━┻ )
Have a good luck!
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We're glad to introduce Formula Book 2.0:
- New sweet design, you're probably want to buy us a cup of coffee for this :)
- The app speed and reliability has significantly increased. We don't even know, how have we done this ¯\_(ツ)_/¯