Design Realistic Mathematics Education: Using Applet Java to support student’s math learning for algebraic reasoning

To get meaningful learning in math activity is not only to instruct the students by any mechanistic way, improvisation in technology of computer also become the one of ways to support student’s learning in mathematics. as example, applet java is one of computer’s program can be used for mathematics learning, it also can be designed such that many patterns of mathematics topics displayed in computer language.