
What is Calc?
Calc is the spreadsheet component of OpenOffice.org (OOo). You can
enter data (usually numerical) in a spreadsheet and then manipulate
this data to produce certain results.
Alternatively you can enter data and then use Calc in a ‘What If...’
manner by changing some of the data and observing the results
without having to retype the entire spreadsheet.
Other features provided by Calc include:
• Functions, which can be used to create formulas to perform
complex calculations on data
• Database functions, to arrange, store, and filter data
• Dynamic charts: a wide range of 2D and 3D charts
• Macros, for recording and executing repetitive tasks
• Ability to open, edit, and save Microsoft Excel spreadsheets
• Import and export of spreadsheets in multiple formats, including
HTML, CSV, PDF, and PostScript
Note
If you want to use macros written in Microsoft Excel using the
VBA macro code in OOo, you must first edit the code in the
OOo Basic IDE editor. See Chapter 13 (Getting Started with
Macros) in this book and Chapter 12 in the Calc Guide.
Spreadsheets, sheets and cells
Calc works with documents called spreadsheets. Spreadsheets consist
of a number of individual sheets, each sheet containing cells arranged
in rows and columns. A particular cell is identified by its row number
and column letter.
Cells hold the individual elements—text, numbers, formulas, and so on
—that make up the data to display and manipulate.
Each spreadsheet can have many sheets. and each sheet can have
many individual cells. In Calc 3.x, each sheet can have a maximum of
65,536 rows and a maximum of 1024 columns, for a total of over 67
million cells.
Chapter 5 Getting Started with Calc 133
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