Popular Woodworking Practical Shop Math eBookMultiply your woodworking talents There's no getting around it: woodworking involves math. If you don't know how to do basic calculations, you'll be at somewhat of a disadvantage as a woodworker. On the other hand, if you know how to work with fractions, decimals, angles, and geometric shapes, you'll expand your capabilities in the shop many times over. Don't worry if you've struggled with shop math in the past. You hold the solutions in your hands.