"Algebra of Matrices",
"Matrix Inverse",
"System of linear equations",
"Determinant of a Matrix",
"Eigenvalues and Eigenvectors",
"Matrix Diagonalization",
"Cayley-Hamilton Theorem",
"Taylor’s theorem",
"Gradient of Vector Calculus",
"Line and surface integrals",
"Green’s theorem",
"Stokes theorem and Gauss divergence theorem (without proofs)",
"Analytic Functions ",
"Cauchy- Riemann equations",
"Line Integral",
"power series solutions",
"Taylor’s series",
"Fourier series",
"Half Range Fourier Series",
"Axioms of probability",
"Conditional Probability",
"Bayes’ Theorem",
"Discrete and Continuous Random Variables",
"Correlation and regression",
"Numerical Methods: The Trapezium Rule and Simpson's Rule",
"Legendre polynomials",
"Euler-Cauchy Equations",
"Laplace equation",
"Separation of variables method",
"Sequence and series"










stringArrayList.add("Algebra of Matrices");
stringArrayList.add("Matrix Inverse");
stringArrayList.add("System of linear equations");
stringArrayList.add("Determinant of a Matrix");
stringArrayList.add("Eigenvalues and Eigenvectors");
stringArrayList.add("Matrix Diagonalization");
stringArrayList.add("Cayley-Hamilton Theorem");
stringArrayList.add("Taylor’s theorem");
stringArrayList.add("Gradient of Vector Calculus");
stringArrayList.add("Line and surface integrals");
stringArrayList.add("Green’s theorem");
stringArrayList.add("Stokes theorem and Gauss divergence theorem (without proofs)");
stringArrayList.add("Analytic Functions ");
stringArrayList.add("Cauchy- Riemann equations");
stringArrayList.add("Line Integral");
stringArrayList.add("power series solutions");
stringArrayList.add("Taylor’s series");
stringArrayList.add("Fourier series");
stringArrayList.add("Half Range Fourier Series");
stringArrayList.add("Axioms of probability");
stringArrayList.add("Conditional Probability");
stringArrayList.add("Bayes’ Theorem");
stringArrayList.add("Discrete and Continuous Random Variables");
stringArrayList.add("Correlation and regression");
stringArrayList.add("Numerical Methods: The Trapezium Rule and Simpson's Rule");
stringArrayList.add("Legendre polynomials");
stringArrayList.add("Euler-Cauchy Equations");
stringArrayList.add("Laplace equation");
stringArrayList.add("Separation of variables method");
stringArrayList.add("Sequence and series");












if (selected.equals("Algebra of Matrices")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/1.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Matrix Inverse")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/2.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("System of linear equations")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/3.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Determinant of a Matrix")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/4.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Eigenvalues and Eigenvectors")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/5.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Matrix Diagonalization")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/6.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Cayley-Hamilton Theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/7.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Taylor’s theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/8.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Gradient of Vector Calculus")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/9.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Line and surface integrals")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/10.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Green’s theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/11.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Stokes theorem and Gauss divergence theorem (without proofs)")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/12.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Analytic Functions ")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/13.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Cauchy- Riemann equations")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/14.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Line Integral")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/15.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("power series solutions")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/16.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Taylor’s series")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/17.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Fourier series")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/18.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Half Range Fourier Series")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/19.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Axioms of probability")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/20.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Conditional Probability")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/21.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Bayes’ Theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/22.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Discrete and Continuous Random Variables")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/23.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Correlation and regression")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/24.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Numerical Methods: The Trapezium Rule and Simpson's Rule")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/25.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Legendre polynomials")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/26.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Euler-Cauchy Equations")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/27.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Laplace equation")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/28.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Separation of variables method")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/29.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }

if (selected.equals("Sequence and series")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/30.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }