2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/181700I report on a numerical program, which can be used to calculate any infra-red safe two-jet observable in electron-positron annihilation to next-to-next-to-leading order in the strong coupling constant alpha_s. The calculation is based on the subtraction method. The result for the two-jet cross section is compared to the literature.16 pages, version to be publishedHigh Energy Physics - Phenomenologytext