Add Root Function and Product Function

MathKit/MPRootTerm.h

@@ -0,0 +1,33 @@
+//
+//  MPRootTerm.h
+//  MathPad
+//
+//  Created by Kim Wittenburg on 11.01.15.
+//  Copyright (c) 2015 Kim Wittenburg. All rights reserved.
+//
+
+#import "MPFunctionTerm.h"
+
+
+/*!
+ @header
+ This file contains the <code>MPRootTerm</code> class.
+ */
+
+
+
+@class MPRootTerm;
+
+
+/*!
+    @class      MPRootTerm
+    @abstract   Represents a <code>@link
+                //apple_ref/occ/cl/MPRootFunction@/link</code>.
+ 
+    @discussion A root function is evaluated by evaluating the power
+                <code>pow(e, 1/n)</code> where <code>e</code> is the expression
+                to be rooted and <code>n</code> the exponent.
+ */
+@interface MPRootTerm : MPFunctionTerm
+
+@end