To calculate your average trade price, add all purchase prices and divide by the number of trades. Use weighted average trade price calculation if share quantities vary per purchase. Weighted averages ...

This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.

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 ...