13 hours

Forex Market Hours Monitor is a freeware for tracking active trading sessions.

Currently we do not have a registered version of the Man-Hours Calculator.

Generate and export various types of barcodes (Code 39, EAN-13, UPC-A, PDF417, GS1, an so on).

Free compact scientific tape calculator with many features: asin(2 13^ln(pi))

Windflower contains 13 high quality images of windflowers in bloom.

HP deskjet f4100 Driver 13.1.0,deskjet 940c

advanced editor,Sintaxt hightlighting for 13 differnet languages(HTML, PHP, ASP)

Toye Headzis an interesting and free set that contains 13 icons

Toye Headzis an interesting and free set that contains 13 icons

A nice set of icons that come in 13 colors