// // MPSumFunction.h // MathPad // // Created by Kim Wittenburg on 22.04.14. // Copyright (c) 2014 Kim Wittenburg. All rights reserved. // #import "MPFunction.h" @class MPSumFunction, MPExpression; @interface MPSumFunction : MPFunction @property (nonatomic, strong) MPExpression *startExpression; // Index 0 @property (nonatomic, strong) MPExpression *targetExpression; // Index 1 @property (nonatomic, strong) MPExpression *sumExpression; // Index 2 @end