In this video I show you how to add, subtract, multiply and divide fractions by working through 52 different examples. I make short, to-the-point online math tutorials. I struggled with math growing ...

In this video I will show you how to simplify trigonometric expressions by multiplying by the reciprocal, lcd and rationalizing the function. We will do this by first simplifying algebraic complex ...

And the emperor, for all the code written in his name, still doesn't have a wallet most people can use. Note: The views ...

Some standard modules for making 3d shapes with attachment support, and function forms that produce a VNF. Also included are shortcuts cylinders in each orientation and extended versions of the ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...

Learn about the world's many landscapes. Is the bird nest of the future 3D-printed and made of mushrooms?