GS-Calc is a spreadsheet application that will help you to organize your data, track your expenses and incomes, create reports, search and edit databases.
Using fast GS-Calc pivot tables, over 300 built-in functions, multi-core calculations taking full advantage of up to 16 processor cores, easy to use scripting and other advanced functions you can perform the most demanding statistical calculations and data analysis. Some of its unique features include capability of organizing worksheets and scripts in tree structures, working efficiently with very large data sets (12 million rows x 4,096 columns) and linear or quadratic programming functions. You can install GS-Calc on any portable storage device and carry it with you. GS-Calc supports the Open Document *.ods file format natively.