text: //
  //  RCInputAccessory.h
  //  MathTools
  //
  //  Created by Richard Chien on 14-1-29.
  //  Copyright (c) 2014年 Richard Chien. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @class RCViewController;
  
  @interface RCInputAccessory : UIViewController
  
  @property (weak, nonatomic) RCViewController *delegate;
  
  @end
  