# General

> [HTML Version](index.html)

This chapter gives some general information about the MESYS Calculation Software. Installation, updates and general usage are covered.

Details about the different calculation programs are provided in the following chapters. Available programs are:

	- [Shaft Calculation](mesys_shaft_calculation.md)

	- [Rolling Bearing Calculation](mesys-rolling-bearing-calculat.md)

	- [Ball Screw Calculation](mesys-ball-screw-calculation.md)

	- [Hertzian Stress Calculation](mesys-hertz-calculation.md)

	- [Axial-Radial-Roller-Bearing Calculation](mesys-axial-radial-rollerbeari.md)

	- [Cylindrical Gear Pair Calculation](mesys-cylindrical-gear-pair.md)

	- [Single Cylindrical Gear](mesys-single-cylindrical-gear.md)

	- [Gear Positions](mesys_gear_positions.md)