The ReadyWeb Timecode Calculator is an Android application used to perform mathematical calculations on timecode values. If you have no idea what a timecode is, then you probably don't need this calculator. However, it can also be used for simple time calculations using it's 100th of a second mode.

For full information and a user guide take a look at this web site:
http://aps.readyweb.co.uk/timecode-calculator

It allows you to add, subtract, multiply and divide timecode values. It also allows for frame rate conversions. Timecodes can be viewed either in traditional hours, minutes, seconds and frames, as total frames, as a floating point value of seconds or as hours, minutes, seconds and hundredths of a second.
A timcode properties page allows you to view the timecode values in different frame rate formats and the actual play time if played at different frame rates.

Supported frame rates are:
23.98 fps NDF
24 fps
PAL 25 fps
NTSC 29.97 fps DF
NTSC 29.97 fps NDF
30 fps
50 fps
59.94 fps DF
59.94 fps NDF
60 fps
100ths of a second.

There are 10 memory location allowing you to store and recall values.