Math Made Nice & Easy #4: Complex Numbers Quadratic Equations, Plane & Solid Geometry, Trigonometry (Volume 4) (Mathematics Learning and Practice)

The Math Made Nice and Easy series simplifies the learning and use of math and lets you see that math is actually interesting and fun. This series is for people who have found math scary, but nevertheless need some understanding of math without having to deal with the complexities found in most math textbooks. Topics in Book 4 include Complex Numbers, Quadratic Equations, Plane & Solid Geometry, and Trigonometry.