1. A system with automatically updated reference values, comprising: a processing device configured to execute a software application, the software application employing one or more dynamic data items which change as a function of time; a memory device configured to store at least one table including the one or more dynamic data items which change as a function of time; and an update mechanism configured to check one or more external information sources for current values of the one or more dynamic data items and update the one or more dynamic data items in the at least one table such that upon execution of the software application a most recently updated value is employed for the one or more dynamic data items.