Reorganized File Structure

Added Documentation

MathKit/MPPowerFunction.h

@@ -0,0 +1,32 @@
+//
+//  MPPowerFunction.h
+//  MathPad
+//
+//  Created by Kim Wittenburg on 30.09.14.
+//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
+//
+
+#import "MPFunction.h"
+
+
+
+@class MPPowerFunction, MPExpression;
+
+
+/*!
+    @class      MPPowerFunction
+    @brief      This class represents a power.
+ */
+@interface MPPowerFunction : MPFunction
+
+/*!
+    @property   exponentExpression
+    @brief      The receiver's exponent.
+ 
+    @discussion The base of the power can only be set during evaluation because
+                it is not actually part of the function element.
+                The exponent must not define a variable.
+ */
+@property (nonatomic, strong) MPExpression *exponentExpression;
+
+@end