简单四则运算计算器附带乘方运算

模拟电子计算器，包括加减乘除和乘方五种运算，实现连续运算，体验完整

//
//  AppDelegate.m
//  Caclulator
//
//  Created by mac on 14-6-18.
//  Copyright （c） 2014年 com. All rights reserved.
//

#import “AppDelegate.h“

@implementation AppDelegate

- （BOOL）application:（UIApplication *）application didFinishLaunchingWithOptions:（NSDictionary *）launchOptions
{
    // Override point for customization after application launch.
    return YES;
}
							
- （void）applicationWillResignActive:（UIApplication *）application
{
    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions （such as an incoming phone call or SMS message） or when the user quits the application and it begins the transition to the background state.
    // Use this method to pause ongoing tasks disable timers and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}

- （void）applicationDidEnterBackground:（UIApplication *）application
{
    // Use this method to release shared resources save user data invalidate timers and store enough application state information to restore your application to its current state in case it is terminated later. 
    // If your application supports background execution this method is called instead of applicationWillTerminate: when the user quits.
}

- （void）applicationWillEnterForeground:（UIApplication *）application
{
    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
}

- （void）applicationDidBecomeActive:（UIApplication *）application
{
    // Restart any tasks that were paused （or not yet started） while the application was inactive. If the application was previously in the background optionally refresh the user interface.
}

- （void）applicationWillTerminate:（UIApplication *）application
{
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}

@end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-06-20 14:17  Caclulator\
     文件        6148  2014-06-20 11:42  Caclulator\.DS_Store
     目录           0  2014-06-20 14:17  Caclulator\Caclulator\
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\
     文件       19872  2014-06-18 10:50  Caclulator\Caclulator.xcodeproj\project.pbxproj
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\project.xcworkspace\
     文件         155  2014-06-18 10:50  Caclulator\Caclulator.xcodeproj\project.xcworkspace\contents.xcworkspacedata
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\project.xcworkspace\xcuserdata\
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\project.xcworkspace\xcuserdata\mac.xcuserdatad\
     文件       24803  2014-06-20 14:14  Caclulator\Caclulator.xcodeproj\project.xcworkspace\xcuserdata\mac.xcuserdatad\UserInterfaceState.xcuserstate
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\xcuserdata\
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\xcuserdata\mac.xcuserdatad\
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\xcuserdata\mac.xcuserdatad\xcdebugger\
     文件          91  2014-06-19 10:29  Caclulator\Caclulator.xcodeproj\xcuserdata\mac.xcuserdatad\xcdebugger\Breakpoints_v2.xcbkptlist
     目录           0  2014-06-20 14:17  Caclulator\Caclulator.xcodeproj\xcuserdata\mac.xcuserdatad\xcschemes\
     文件        3610  2014-06-20 11:42  Caclulator\Caclulator.xcodeproj\xcuserdata\mac.xcuserdatad\xcschemes\Caclulator.xcscheme
     文件         572  2014-06-18 10:50  Caclulator\Caclulator.xcodeproj\xcuserdata\mac.xcuserdatad\xcschemes\xcschememanagement.plist
     目录           0  2014-06-20 14:17  Caclulator\CaclulatorTests\
     文件        6148  2014-06-18 18:28  Caclulator\CaclulatorTests\.DS_Store
     文件         684  2014-06-18 10:50  Caclulator\CaclulatorTests\CaclulatorTests-Info.plist
     文件         635  2014-06-18 10:50  Caclulator\CaclulatorTests\CaclulatorTests.m
     目录           0  2014-06-20 14:17  Caclulator\CaclulatorTests\en.lproj\
     文件          45  2014-06-18 10:50  Caclulator\CaclulatorTests\en.lproj\InfoPlist.strings
     文件        6148  2014-06-20 11:33  Caclulator\Caclulator\.DS_Store
     文件         267  2014-06-18 10:50  Caclulator\Caclulator\AppDelegate.h
     文件        1997  2014-06-18 10:50  Caclulator\Caclulator\AppDelegate.m
     目录           0  2014-06-20 14:17  Caclulator\Caclulator\base.lproj\
     文件        6148  2014-06-20 11:33  Caclulator\Caclulator\base.lproj\.DS_Store
     文件       38807  2014-06-20 13:49  Caclulator\Caclulator\base.lproj\Main.storyboard
     文件        1217  2014-06-18 10:50  Caclulator\Caclulator\Caclulator-Info.plist
     文件         344  2014-06-18 10:50  Caclulator\Caclulator\Caclulator-Prefix.pch
............此处省略10个文件信息