Log and calculation tool for manually-keyed timecode entry designed for use in video production environments. Timecode Log & Calculator contains time saving features such as automatic time-colon entry, calculated Scene/TRT durations in both hh:mm:ss:ff and frames as well as error detection routines that flag negative durations, invalid frames and missing data. The tool exports data to printers and/or an XML file and is delivered with sample data to illustrate typical data entry conventions. Timecode Log runs on the widely available Microsoft Excel platform, making it a highly cost effective utility. It can operate virtually anywhere the user has computer access: Home, office, on the road. Timecode Log is a compact, versatile and convenient tool for manual timecode entry.