CalcSheet Lite. A small Excel free phone!

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There's never happened to be in need of a spreadsheet type excel to your mobile JavaME?

If so, look at this CalcSheet Lite, which in its version 3.0, recently released, and downloadable for free, it is more than adequate to carry out small accounts of a certain complexity.

Among its features, the ability to perform a wide range of mathematical functions, to use numbers to 64 bit floating point, you can format the appearance of cells and to allow an almost unlimited number of worksheets. Add that it's free, what more can you want more? ;)