Nurilign ShibabawDamaku Wakuma2024-04-022024-04-022021-01This project deals about Congruence, properties of congruence, linear congruence, sys team of linear congruence and chinese remainder theorem .it contains two chapters. the first chapter is deals with the definition of congruence and its examples and properties of congruence the second chapter deals about system of linear congruence solvability of system of linear congruence and chinese remainder towerman it contains many subsections under each chapter.enON SOME FINITE DIFFERENCE SCHEMES FOR THE SOLUTION OF SCHRÖDINGER EQUATIONThesis