Create easily automatic filters in every sheet of a Calc spreadsheet (normally only one automatic filter can be created in a spreadsheet).

Compose Special Characters lets you type two or three characters and then run a macro to convert them into a single accented or special character. Writer and Calc are currently supported.

Openoffice plugin providing integration with GoogleDocuments and Zoho.
Features:

• Upload of (multiple) documents (Text, Spreadsheet, Presentation) to Zoho
• Download of documents (Text, Spreadsheet) from Zoho
• Upload of (multiple) documents (Text, Spreadsheet, Presentation) to GoogleDocuments
  

This template offers you an easy customizable calendar for Calc. Just Load, print and go!

To download: Click: "Browse source code" and then download.....

This extension allows one to use the open source R statistics package within OpenOffice Calc. It comes with a number of features, including new user interface windows for using advanced statistical tools, new spreadsheet functions, and a way to use R scripts within Calc.

ConvertTextToNumber replaces numbers that are formatted as text, with real numbers and also marks the cells with a colour. This only on the active sheet. As a result formulas that use such cells, will be calculated in Calc. Calc does not use cells, with numbers formatted as text, in formulas. Other spreadsheet programs may well do that.
This extension adds the tool bar 'CT2N' to Calc.

Classic data processing applications for spreadsheet users: rows of an update spreadsheet are matched by keys with a master table and change master rows. Cell properties, row and column formulas are preserved. Update operations are controlled by various specifications in a spreadsheet.

This is a template for grading a rather complex setup of course work.
It is intended for instructors to keep track of their students' performance
without having to use calculators etc.

In this template, the following are accounted for
4 midterms
2 assignments
attendance

For midterms:

EuroOffice Solver Professional provides 4 fast algorithms to solve optimization problems in OpenOffice.org Calc.

EuroOffice Map Chart Professional is a new chart type integrated into OpenOffice.org Calc that makes it possible to visualize geographically related data. Showcase your statistics over detailed maps of any European region!