http://www.algonet.se/~rittsel/dator/Besk500.jpg

BESK (Binär Elektronisk SekvensKalkylator) was Swedens first computer. It was developed by Matematikmaskinnämnden and during a short time it was the fastest computer in the world. The computer was completed in 1953. The technology behind BESK was later continued with FACIT EDB.

BESK was developed by Matematikmaskinnämnen at the same time as BARK.