Additional Functions

Data Lookup & Reference

• HYPERLINK:
  • Adds a hyperlink to a cell.
  • Example: =HYPERLINK("http://example.com", "Click Here").

• OFFSET:
  • References a range offset from a starting position.
  • Example: =OFFSET(A1, 1, 2) (Moves 1 row down and 2 columns right from A1).

• UNIQUE (Dynamic Array Function):
  • Generates a list of unique values.
  • Example: =UNIQUE(A1:A10).

• FILTER (Dynamic Array Function):
  • Filters data based on criteria.
  • Example: =FILTER(A1:A10, A1:A10>50).

Data Security & Error Handling

1. PROTECT SHEET:
   • Prevents unauthorized changes to a worksheet.
   • Can be set up via the menu.

2. ISERROR, IFERROR:
   • Returns an alternative value if an error occurs.
   • Example: =IFERROR(A1/B1, "Error Occurred").

Advanced Data Analysis

1. CONCAT (Excel 2019 and later):
   • Combines multiple text values.
   • Example: =CONCAT(A1:A3).

2. SEQUENCE (Dynamic Array Function):
   • Creates a sequence of numbers following a pattern.
   • Example: =SEQUENCE(5, 1, 1, 2) (Generates 5 numbers, starting at 1, incrementing by 2).

3. XLOOKUP (Excel 2019 and later):
   • A more powerful alternative to VLOOKUP.
   • Example: =XLOOKUP(A1, B1:B10, C1:C10).