CALC is the spreadsheet program you've always wanted. Newcomers find it intuitive and easy to learn; professional data miners and number crunchers will appreciate the comprehensive range of advanced functions.

You're also free to pull in data from corporate databases, and cross-tabulate, summarise, and manipulate with advanced DataPilot technology.

Natural language formulas let you create formulas using words (e.g. "sales - costs").

The Intelligent Sum Button inserts a sum function or a subtotal automatically, depending on context.

The AutoPilot guides you through choosing and using a comprehensive range of advanced spreadsheet functions.

The Stylist makes it easy to apply flexible cell formatting options including freely rotating contents, templates, backgrounds, borders, and many more. You can be your own spreadsheet expert thanks to templates with built-in functions, allowing you to concentrate on your real work.

Scenario Manager allows "what if ..." analysis at the touch of a button - e.g. compare profitability for high / medium /low sales forecasts.

Hide or reveal Design Themes with a single click - you are free to add your own themes.

Of course, you are free to use your old Microsoft Excel spreadsheets, or save your work in Excel format for sending to people who are still locked into Microsoft products. If all they want to see is your results, then use Portable Document Format (.pdf) - no need to buy any extra software.