geometric designs and strength checks of shaped connections of shafts with hubs (parallel side keys, woodruff's
keys, straight-sided splines, involute splines).
application is developed in ms excel, is multi-language and supports
imperial and metric units. is based on iso, sae, din, bs and jis standards and support many 2d cad systems
(autocad, autocad lt, intellicad, ashlar graphite, turbocad).