It is swipe based design for learn mathematics for engineering & applied science student. It almost cover all topics of engineering which are given chapter wise below. Chapter 1. 1. Analytic functions. 2. Harmonic Conjugate. 3. Cauchy-Riemann Equations. 4. Line Integral. 5. Cauchy's Theorem. 6. Cauchy's Integral Formula. 7. Singular Points. 8. Poles & Residues.