Geocaching Backpack is a set of tools which can help you while searching for Geocaches. Geocaching.com is a game in the real world where you search for so-called 'caches'.

Most important tools:
- Notes, write down all important information for your Geocaching adventure
- Compass, know which way you have to go
- Formula calculator, enter equations with letters and make the necessary math easy
- Convert coordinates, from DD to DDM and the other way around
- Calculate projection, find the coordinates given a starting point, distance and angle
- Word value, quickly find the word value of a word or sentence
- Stack counting, to find that 1 digit you're looking for