The program is intended for calculation of a three-hinge arch (an axis outline a parabola or a circle) and "The construction mechanics" can be used for execution of estimated and graphic operation on discipline.

The program provides execution of the following functions:
input and adjustment of basic data for calculation of an arch in a conversational mode;
check of results of manual calculation; search and localization of errors in manual calculation; an output of results of calculation in a graphic look (diagrams of internal efforts in an arch);
output of results of calculation in a plate look (for each section geometrical parameters and internal efforts in an arch and in the replacing beam are removed).

Installation:
Unpack archive. The file lies in the arkaw folder.