Becoming a Lecturer at Mathematics Department Since March 2014. I finished my undergraduated study in Mathematic from Sunan Kalijaga University, Yogyakarta in 2006 and I completed my Magister Sains (M.Si.) in Mathematics from ITB, Bandung in 2010. I teach several courses in Mathematics, such as Introduction to Calculus, Elementary Linear Algebra, Group Algebra and Ring Algebra, and Basic Mathematics. In addition, I also teach Calculus I and Calculus II in Mechanical Engineering and Geological Engineering Department of Syiah Kuala University. My Course on Odd Semester 2018/2019 are Group Algebra, Introductory to Calculus, Calculus 1 for Geology and Geophysics Department, and Basic Math for Algriculture Department. My Course on Even Semester 2018/2019 are Ring Algebra, Basic Mathematics, and Calculus 2 For Geology Department. My Publication: 1. Double Exponential Smoothing Methods in Forecasting Inflation Rate 2. Analysis Improvement of Teller Services and Bank Customer Services Using Fuzzy Logic 3. Basic Logo of Syiah Kuala University on Polar Coordinate 4. Note on Normal Subgroup and Ideal 5. Groups of Singular Matrices