1. The user has provided a list of units from a math textbook or syllabus. 2. Each unit covers a specific topic in mathematics, ranging from Real and Complex Numbers to Analytical Geometry. 3. Since no specific math problem or equation is given, I will summarize the chapter titles as requested. The chapters are: - Unit 1: Real and Complex Numbers - Unit 2: Logarithms - Unit 3: Algebraic Expression and Formulas - Unit 4: Factorization - Unit 5: Algebraic Manipulation - Unit 6: Linear Equation and Inequalities - Unit 7: Linear Graphs and their Applications - Unit 8: Quadratic Equations - Unit 9: Congruent Triangles - Unit 10: Parallelograms and Triangles - Unit 11: Line Bisectors and Angles Bisectors - Unit 12: Sides and Angles of a Triangle - Unit 13: Practical Geometry - Triangles - Unit 14: Theorems Related with Area - Unit 15: Projection of a side of a Triangle - Unit 16: Introduction to Coordinate Geometry/Analytical Geometry No calculations or graphs are involved here.