GS-Calc is a full featured spreadsheet that can be used for variety of tasks thanks to its scalability: from simple tracking your expenses to editing huge files, building complex data models with millions of formulas and multi-GB data analysis.

• 12 million rows x 4,096 columns.
• A unique feature of organizing worksheets in a tree form.
• Efficient memory usage to quickly load and save huge files.
• Fast pivot tables, optimization and other advanced statistical functions.
• Using up to 64 processor cores during calculations.
• A unique feature of working in up to 100 synchronized panes to boost your productivity.
• GS-Calc can be installed on any portable storage device and used without performing any registry modifications.