# Overview

Worksheets contain the elements, such as the cell grid area, which provide the principal work entities for &gnum; users. The worksheet grid area allows users to enter data, develop analyses of these data, and display both data and results. Worksheets also contain graphical elements such as graphs and widgets. The worksheets are themselves grouped into a workbook which will be stored in a &gnum; file. The manipulation of workbooks is explained in sect-workbooks while the material below explains the manipulation of worksheets.

Worksheets contain both working elements and metadata elements. The working elements include the data contents of cells in the grid area, cell comments, cell formatting, and sheet objects, such as graphical plots. The metadata include the worksheet name and worksheet settings controlling the visual appearance of the worksheet or the display of the worksheet.

This section explains the main ways to manipulate &gnum; worksheets. sect-worksheets-navigation explains how to navigate the worksheet to change the area which is displayed and change the currently selected area. sect-worksheets-display presents several alternative settings which alter the display of cell contents, of the grid area, of the worksheet as a whole or of &gnum; itself. sect-worksheets-settings explains how to alter settings which affect all the contents of the worksheet such as the status of the content protection mechanism. sect-worksheets-printSettings gives a brief explanation of the print settings which apply specifically to each worksheet; a more complete explanation of the print settings is given in chapter-printing. Finally, sect-worksheets-managing explains how the entire collection of worksheets can be manipulated so as to add, duplicate, delete or re-order the worksheets within a workbook.

## Worksheet Navigation

&gnum; worksheets can be conceived of as a single, continuous, two-dimensional grid of cells. However, &gnum; cannot display the entire grid at once but only shows a portion of the worksheet. Since only a portion of the worksheet can be seen at any particular time, &gnum; provides users with several ways to change the portion of the worksheet that is displayed. sect-worksheets-navigation-selection explains the various ways that the display window can be moved to a different section of the worksheet grid, while sect-worksheets-display , further below, explains more powerful methods to re-organize the display of the cell grid area.

## Moving Around a Worksheet

## Moving the Selection

## Worksheet Display

The display of each worksheet can be controlled by several settings and configurations. The worksheet, conceptually, consists of a single continuous two dimensional grid of cells arranged in 65536 rows by 258 columns, and &gnum;, by default, displays a small portion of the worksheet area as a continuous region. This chapter... ...or which allow the user to rearrange the cell grid to fix parts of the worksheet grid while scrolling others or to group rows or columns of data within a worksheet for convenient editing and analysis...

## Changing the default size of the &gnum; cell grid.

The worksheet grid is 65536 rows by 258 columns of cells, by default. This can be changed but only by altering the computer program files and recompiling the code to make a new version of the &gnum; program.

## Appearance

### The cell content appearance

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#### Displaying Formulas or Results

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#### Displaying Zeros or Blank cells

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### The grid area appearance

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#### Displaying Gridlines

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#### Displaying Row and Column Headers

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### The workbook appearance

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#### Zoom: Changing the Scale of a View

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#### Full Screen Mode

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#### Displaying Workbook Tabs

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#### Displaying Grid Area Scrollbars

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## Grouping Rows and Columns

## Display Panes

## General Settings

## Content Protection

## Print Settings

## Managing Worksheets

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## Alternative Approaches

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### Using the menu

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### Using the mouse

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### Using the context menu

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### Using the sheet management dialog

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## Adding a Blank Worksheet

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## Duplicating a Worksheet

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## Copying or Pasting a Worksheet

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## Renaming a Worksheet

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## Reordering Worksheets in a Workbook

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## Changing the appearance of Worksheet Tabs

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## Deleting Worksheets

This section has not yet been written.