Calculation of cylindrical leg springs in accordance with DIN 13906-01. Includes sizing (through specifying spring torque and installed dimensions) and calculation review of leg springs. Database with the most important spring materials. Database with wire diameters in accordance with DIN 2076, 2077, EN 10270-1. Depiction of the spring characteristic curve. The legs can be permanently tensioned, or propped, tangential, or bent. Tolerances in accordance with DIN 2076, 2077, EN 10270-1.