GS-Calc 7.2

GS-Calc is a useful program that offers around 300 built-in formulas including specialized numerical functions: matrix operations and decompositions (LU, Cholesky, SVD); linear equation sets with Gauss and Cholesky methods and improving iterations; least squares with SVD, weighted least squares, constrained least squares, regression with orthogonal polynomials; time series analysis; n-dimensional minimization with downhill simplex; non-linear equations; linear, integer and quadratic programming.
Main features:
- A versatile and full-featured spreadsheet for Windows
- 2,097,152 rows x 2,047 columns; R1C1 and A1 notation
- Around 300 built-in formulas
- Workbooks containing hierarchically organized worksheets
- 2D/XY and 3D charts
- Dual COM interfaces
- Standard editing and formatting tools and options
- Multilevel undo and copy commands
- Optional binary and XML native file formats; freely available XSD schema definition
- Clean installation (no registry entries are required)
- Importing, exporting and editing text, dBase III-IV, Clipper, FoxPro 2.x and Excel XML files
Version restrictions:
- Limited export/import functions
- 30 days evaluation