
Problemsolving and Aesthetics 

WANG Lin(Department of Humanism and Artistics,Baotou Vocational & Technical College,Baotou 014030,PRC) 

A Simple Proof for the Ordering Inequality 

SU Nong,LIU Ling(Department of Mathematics,Beijing Information Science and Technology University,Beijing 100192,PRC) 

The Geometrical Meaning of Second Derivatives 

BAI Kezhi(Department of Basics,Liuzhou Vocational & Technical College,Liuzhou 545006,PRC) 

CounterExamples and Students' Reverse Thinking Skill 

NING Xuemei1,XU Fengqin1,ZHANG Xu2 (1.Department of Mathematics,School of Science,Beijing Forestry University,Beijing 100083,PRC;2.Department of Mathematics,School of Science,NUAA,Nanjing 210014,PRC) 

Experiences on Teaching Methods for Probability and Statistics 

TAN Xili,XU Dongmei(Mathematics Department,Beihua Univeristy,Jilin 132013,PRC) 

Solving Linear Differential Equations by Reduction of Order 

LIN Wang1,HONG Jiping2(1.School of Mathematics and Information Science,Wenzhou University,Wenzhou 325035,PRC;(2.City College,Wenzhou University,Wenzhou 325035,PRC) 

Differential Geometry in Undergraduate Teaching 

SUN Hejun1,ZHAO Peibiao1,CHEN Daguang2(1.Department of Applied Mathematics,Nanjing University of Science and Technology,Nanjing 210094,PRC;2.Department of Mathematics,Tsinghua University,Beijing 100084,PRC) 

Improving the Teaching Effectiveness of Higher Mathematics with Multimedia 

HOU Yingmin,LV Wei,ZHANG Huaqing(School of Mathematics and Computational Science,China University of Petroleum,Dongying 257061,PRC) 

On the Conditional Extreme Values 

SONG Yimei(School of Scoence,Xidian University,Xi'an 710071,PRC) 

Better the Calculus Reform by Comparison 

ZHANG Rong,GUO Liuxiao,XU Zhenyuan(School of Science,Jiangnan University,Wuxi 214122,PRC) 

Some Thoughts on Teaching Probability and Statistics 

SHEN Xiaojing,ZHOU Jienan (School of Information and Technology,Nanjing University of Traditional Chinese Medicine,Nanjing 210046,PRC) 

On the Contraction Mapping Principle of Continuous Functions 

SUN Yuquan,YANG Xiaoyuan(School of Mathematics and System Sciences and LMIB,Beihang University,Beijing 100191,PRC) 

On the Arrangements of University Buses 

ZHANG Yubing,WU Xiaoxiang,REN Yi(School of Mechanics and Civil.& Architecture,Northwestern Polytechnical University,Xi'an 710129,PRC) 

The RSA Openkey System and Its Application 

SHEN NanShan1,LUO Zengru2(1.School of Applied Mathematics,West Anhui University,Lu'an 237012,PRC;2.Institute of Mathematics and Information Science,Shanxi Normal University,Xi'an 710062,PRC) 

An Estimate of an Improper Integral 

DING Shifeng(School of Mathematics and Computing Technology,Central South University,Changsha 410083,PRC) 

Uniform Convergence of Improper Integrals with Parameters 

HUANG Hui1,CHEN Hui2(1.Jiangxi Vocational Technical College of Industry and Trade,Nanchang 330038,PRC;2.Anhui Business College of Vocational Technical,Wuhu 241002,PRC) 

Error Estimation of Approximating Definite Integrals by Rectangular Rule 

ZHENG Lifei,XIE Xiaoli,WANG Jie(Applied Mathematical Department,Northwest A&F University,Yangling 712100,PRC) 

Rate of Divergence to Infinity 

LI Yanhua,LI Zhanguo,ZHANG Xiaomei,HE Chunhua(School of Information and Management Science,Henan Agricultural University,Zhengzhou 450002,PRC) 

Periodicity of Functions Defined by Integrals 

NI Hua,TIAN Lixin(School of Science,Jiangsu University,Zhenjiang 212013,PRC) 

A Remark on Multirank Linear System of ODEs with Constant Coefficients 

SUN Jiayong(Northwestern Polytechnical University,Xi'an 710072,PRC) 

On the Equality in Hadamard's Inequality 

ZHANG Guoming(Department of Mathematics,Mudanjiang Normal University,Mudanjiang 157011,PRC) 

On the Definitions of Cross Ratio in Complex Analysis 

LONG Boyong,WANG Lianglong(School of mathematics sciences,Anhui University,Hefei 230039,PRC) 

KKT Points of Homogeneous Multiobjective Programming 

LI Na1,LI Chunhe2(1.School of Mathematics and Information,China West Normal University,Nanchong 637002,PRC;2.School of Mathematical Sciences,University of Electronic Science and Technology of China,Chengdu 611731,PRC) 

On Equivalent Infinitesimals 

LIU Qiang(School of Statistics,Capital University of Economics and Business,Beijing 100070,PRC) 

On the Homogenization of a Pansetting Equation withNonhomogeneous Boundary Conditions 

HAN Feng,ZHANG Baihong,LIU Zhigang(Beijing AntiChemical Engineering College,Beijing 102205,PRC) 

Extreme Values and Singularities of Smooth Functions in One Variable 

MIAO Jiajing,LIU Haiming(Mathematics Department of Mudanjiang Normal University,Mudanjiang 157000,PRC) 

On the factorization of x~n+1 in Q[x] 

WU Kailiang (School of Mathematics and Statistics,Huazhong University of Science and Technology,Wuhan 430074,PRC) 

Examples of Auxiliary Functions for Applications of Intermediate Value Theorem 

WANG Lanfang(School of Science,Xi'an University of Architecture and Technology,Xi'an 710055,PRC) 

On the Integrability of a Class of Bounded Functions 

SUN Min(Department of Mathematics, Yunnan Normal University, Kunming 650092, PRC) 

Proofs of Inequalities by Derivatives 

YANG Lixia(School of Sciences,Jiangnan University,Wuxi 214122,PRC) 

Three Methods and Applications inLimit Problems of Definite Integrals 

XU Lifeng(School of Mathematics and statistics,Hubei Normal University,Huangshi 435002,PRC) 

Evaluation of Definite Integral of Piecewise Defined Functions 

QU Jun(Department of Mathematics,Taiyuan Teachers College,Taiyuan 030012,PRC) 

A Note of Expected Values of Random Variables 

WANG Zhigang,LI Shengjun (Department of Mathematics,Hainan University,Haikou 570228,PRC) 

Convergence Criterions for Iteration Sequences 

ZHANG Ling1,LIU Junfang2(1.Basis Department,Tianjin Institute of Urban Construction,Tianjin 300384,PRC;2.Humanity Management College,Anyang Normal University,Anyang 455000,PRC) 

Integral Form of the Particular Solution for High Order Constant Coefficient LDE 

LIU Ling(School of Science,University of ShangHai for Science and Technology,Shanghai 200090,PRC) 

Correlations Between Two Sets of Variables 

LIU Dongxi(Loudi Vocational and Technical College,Loudi 417000,PRC) 

Techniques of Evaluating Definite Integrals of Rational Trigonometric Functions 

WEI Zhangzhi,CHEN Hao(School of Mathematics and Statistics,Suzhou University,Suzhou 234000,PRC) 

Calculating Distribution of Sum of Random Variables 

LU Weichang1,SUN Rongheng2(1.Department of Applied Mathematics,Chongqing Communication Institute,Chongqing 400035,PRC;2.School of Mathsphysics,Chongqing University,Chongqing 400030,PRC) 

Convergence Criterion for Series of PowerExponent Positive Terms 

ZHU Zhangxia,YIN Zhixiang,LI Dequan(School of science,Anhui University of Science and Technology,Huainan 232001,PRC) 

Evaluating a Class of Improper Integrals by ParameterExpansion Method 

WANG Bigui,QIU Weigang(School of science,Huzhou Teacher's College,Huzhou 313000,PRC) 

Applications of GAP in Teaching Abstract Algebra 

DONG Jingcheng(School of Engineering,Nanjing Agricultural University,Nanjing 210031,PRC) 

On the Importance of Textbook Studying for Lecture Preparation 

ZHU Wen,HE Mingxing (School of Mathematics and Computer Engineering,Xihua University,Chengdu 610039,PRC) 

A Refinement of Hilbert's Inequality and Applications 

GAO Xuemei1,2,GAO Mingzhe1,XU Jingshi2(1.Department of Mathematics and Computer Science,Normal College of Jishou University,Jishou 416000,PRC;2.Department of Mathematics and Computer Science,Hunan Normal University,Changsha 410081,PRC) 

Generalization of Trigonometric Functions 

XU Bin(Department of Mathematics,Simao Teacher's College,Puer 665000,PRC) 

Improvement of the Extended First Integral Mean Value Theorem 

WEN Chuanjun,YAO Jun(School of Science,Changzhou Institute of Technology,Changzhou 213002,PRC) 

Two Variations of the Root Test 

LONG Xiaopang(Department of Mathematics,Jinggangshan university,Ji'an 343009,PRC) 

Applications of Taylor Expansion of Analytical Functions 

YANG Chuanfu(Department of Applied Mathematics,Nanjing University of Science and Technology,Nanjing 210094,PRC) 

Equivalent Infinities for Limit Problems 

LIU Guixian1,LIU Qingsheng 2(1.School of Mathematics and Information Science,Henan Polytechnic University,Jiaozuo 454003,PRC;2.School of Mathematics and Information Science,Qujing Normal University,Qujing 655011,PRC) 

MultiApproaches to an Integral Inequality 

LI Zhifei, CHEN Qingjiang(Xi’an University of Arhitecture & Technology, Xi’an 710055, PRC) 