mental calculation

Design and strength check of roller chain transmission

Geometric design and strength check of timing belt transmission

Geometric design and strength check of V-belt transmission

Here is a simple program that can average a list of numbers.

Easily embed the functionality of calculating end time from a given start time.

Geometric design and strength check of spur gear (straight and helical)

Geometrical design and complex strength check of shafts

Area characteristic of profiles and mass characteristic of solids

Designs of belt and chain transmission with more sprocket wheels

Calculations of the straight beams with constant cross section.