What is Computer

Module: M3-R5: Python Programming

Chapter: Ch1 Computer Intro

1️⃣ Creating a Spreadsheet

A spreadsheet is a digital document organized into rows and columns, used for storing, calculating, and analyzing data. In LibreOffice Calc, a spreadsheet file is called a workbook containing one or more sheets.

  • Open LibreOffice Calc.
  • Click on File → New → Spreadsheet.
  • A new blank spreadsheet appears with cells arranged in rows and columns.
  • Save it using File → Save As and choose a name (default format: .ods).
2️⃣ Concept of Cell Address

Each cell in a spreadsheet is uniquely identified by a combination of its column letter and row number, known as the cell address. This address helps in referring to a specific cell for entering data or using formulas.

  • Example: A1 refers to the cell at column A and row 1.
  • B5: Column B, Row 5.
  • D10: Column D, Row 10.

The cell address is displayed in the Name Box beside the formula bar when a cell is selected.

3️⃣ Entering Data in Cells

You can enter various types of data in spreadsheet cells such as text, numbers, and dates. To enter data:

  • Click on a cell to make it active.
  • Type the desired data.
  • Press Enter to confirm or Tab to move to the next cell.
📘 Types of Data:
  • Text Data: Used for labels or headings (e.g., “Student Name”).
  • Numeric Data: Used for numbers that can be calculated (e.g., 125, 45.75).
  • Date Data: Used for date values (e.g., 03/11/2025 or 3-Nov-2025).
4️⃣ Editing Data

To edit existing data:

  • Double-click the cell or press F2 to enable edit mode.
  • Modify the content and press Enter to apply changes.
5️⃣ Deleting Cell Data

To remove cell contents:

  • Select the cell(s) and press Delete key.
  • Alternatively, go to Edit → Delete Contents to choose whether to delete text, numbers, or formatting.
Conclusion

Creating a spreadsheet and understanding how to identify and enter data in cells are foundational steps in using LibreOffice Calc. Proper understanding of cell addressing and data entry techniques ensures accurate organization and analysis of information.

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