Are you a mechanical engineer, design engineer, engineering draughtsman, technical employee, or a student at a college? Do you need to work with a professional computational system? But you are not willing or cannot pay thousands of dollars for inadequately complex or incomprehensible solutions? Then you may just need Behnam co.

Behnam co.  is a set of engineering, industrial, and technical calculations for your day-to-day routines. It will reliably, precisely, and most of all quickly guide you through the design of components, the solution of a technical problem, or a calculation of an engineering point without any significant need for expert knowledge.

Behnam co.  contains both drawinng and design with check calculations of many common tasks, such as: super gear bearings,spring,beams,shaft,

 bolt connection, shaft connection,force,pins,tolerances, and many others. You also have available many material, comparison, and decision tables, including a system for the administration of resolved tasks.