GS-Calc is a spreadsheet application that will help you to organize your data, track your expenses and incomes, create reports, search and edit large databases and text files.
Using fast GS-Calc pivot tables, over 300 built-in functions and easy to use scripting you can perform the most demanding statistical calculations and data analysis. GS-Calc can effectively use up to 16 processor cores. Some of its unique features include capability of organizing worksheets and scripts in tree structures, working with huge 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. GS-Calc is available as both 32- and 64-bit versions.