Reorganized File Structure

Added Documentation

MathKit/MPFunctionTerm.h

@@ -0,0 +1,25 @@
+//
+//  MPFunctionTerm.h
+//  MathPad
+//
+//  Created by Kim Wittenburg on 12.11.14.
+//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
+//
+
+#import "MPTerm.h"
+
+#define MPEvaluateExpression(var, index) NSDecimalNumber *var = [[self expressionAtIndex:index] evaluate:error]; if (var == nil) return nil
+
+
+
+@class MPFunctionTerm, MPFunction, MPParsedExpression;
+
+
+@interface MPFunctionTerm : MPTerm
+
+- (instancetype)initWithFunction:(MPFunction *)function
+                          errors:(NSArray *__autoreleasing *)errors; /* designated initializer */
+
+- (MPParsedExpression *)expressionAtIndex:(NSUInteger)anIndex;
+
+@end