NumberX is a mathematical puzzle game that will challenge your mental math abilities!
Four random numbers, between 1 and 9, you are given and you must put them all together using the basic arithmetic operators in such a way as to arrive at a given target random number.
Every puzzle has a solution. The difficulty of the puzzles varies, some are easy and others are much more difficult!
It's written in Python / Elementary.
The Project is hosted on Google code.
Download and installation
You can install NumberX directly from Web with opkg. All packages are available here. For example:
opkg install http://numberx.googlecode.com/files/numberx_1.0.0-r0_all.ipk