1//
 2// Prefix header for all source files of the 'Calculator' target in the 'Calculator' project
 3//
 4
 5#import <Availability.h>
 6
 7#ifndef __IPHONE_4_0
 8#warning "This project uses features only available in iOS SDK 4.0 and later."
 9#endif
10
11#ifdef __OBJC__
12  #import <UIKit/UIKit.h>
13  #import <Foundation/Foundation.h>
14#endif