Links to my Favorite Websites or Social Medias
Universitas Surabaya official website
LaTeX for Windows
LaTeX Editor
European Mathematical Society
arXiv.org: e-print service in math
American Mathematical Society
National Geographic
Math Problem Solver
Wolfram Alpha
Maxima for Windows
GeoGebra
Linear Program Solver
Numerical Solution of School Mathematics
3D Geometry in the Classroom
Graph Plotter for Schools and Colleges
Solusi Kuis 1