Category "ios5"

adding an external library to a project in Xcode 4.3 [duplicate]

Newbie here, trying to add the CHDataStructures library to a calculator project I'm working on. I did as suggested in the accepted answer at

Is Wifi direct available in the iPhone 4 or in iOS 5?

Can any one suggest a Wifi direct technology supported on an iPhone 4s or iOS 5?

What is the proper way of calculating this flow calculation in Objective C?

I'm attempting to make a iPhone flow rate calculator that uses these 3 formulas. Pressure ratio b b = p2 + 0.1 / p1 + 0.1 The C-value and B-Value are given