A simple Equation reference for maths and physics students.Tap on a heading to open it and tap again to collapse it.note internet Permission is purely for testing ad39;s which are at the bottom of the credits. Ad39;s will never get in the way of the main app.Contains many formula39;s and constants needed by ASA2 level maths and physics students but it39;s also relevant to all levels. Currently in Beta with new updates and equations coming soon. If you press menu you can view the credits or view the options screen where you can switch the wood background on and off.