📘 Complete Guide to Using Excel

Understanding Excel’s Basic Structure

• Workbook: The entire Excel file
• Worksheet: Each tab (sheet), an individual page within a workbook
• Cell: A space for entering data, identified by a column and row (for example, A1)

Getting Started with Excel

• Install it through Microsoft 365 or the App Store
• Select “New Workbook” to start with a blank sheet

Entering and Editing Data

• Enter data: Click a cell and type
• Edit: Double-click or press F2
• Delete: Press the Delete key
• AutoFill: Drag the lower-right corner of a cell to automatically fill a pattern

Using Basic Functions

Common Functions

• =SUM(A1:A5): Sum
• =AVERAGE(A1:A5): Average
• =COUNT(A1:A5): Count

Conditional Functions

• =IF(A1>70, "Pass", "Fail"): Conditional branching

Lookup Functions

• =VLOOKUP(1001, A2:C10, 2, FALSE): Find data in a specific row

Visualizing Data with Tables and Charts

• Select “Insert” → “Table” to create an organized table
• Use “Insert” → “Chart” to create bar, line, or pie charts

Filters, Sorting, and Conditional Formatting

• Sort: Organize data in ascending or descending order
• Filter: Display only data that meets the criteria you want
• Conditional Formatting: Apply highlights such as colors based on numbers or conditions

Managing Worksheets

• Add a sheet: Click the + button at the bottom
• Rename a sheet: Double-click the sheet tab
• Hide/unhide: Use the right-click menu
• Reference a value on another sheet: =SheetName!CellReference

Top 10 Excel Keyboard Shortcuts

• Ctrl + S: Save
• Ctrl + C / V: Copy / Paste
• Ctrl + Z / Y: Undo / Redo
• Ctrl + A: Select all
• Ctrl + 1: Format Cells
• F2: Edit a cell

Practical Tips

• Print settings: Check margins, orientation, page breaks, and more
• Error handling: Errors such as #DIV/0! and #VALUE! require you to check the formula

Frequently Asked Questions (FAQ)

• Q: Can I use Excel for free?
  A: You can use Office Online, but some features are limited.
• Q: What is the best way for beginners to get started?
  A: Start by learning the SUM and IF functions!
• Q: I can’t see the values!
  A: A filter may be applied, or the cells may be hidden.
• Q: Can I password-protect an Excel file?
  A: Go to File > Info > Protect > Set Password.
• Q: Why are keyboard shortcuts different on Mac?
  A: Because the Mac keyboard layout differs from Windows.

스마트폰 브랜드별 Wi-Fi 연결 방법