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84 lines
2 KiB
Markdown
84 lines
2 KiB
Markdown
---
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title: "LibreOffice Calc Tips"
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date: 2021-02-20T12:37:48-05:00
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draft: false
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tags: []
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---
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I've been working with LibreOffice Calc (or Excel) spreadsheets recently and wanted to share some of the things I've learned.
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**Absolute vs Relative Cell References**
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The main difference between referencing a cell relatively vs absolute is that the absolute reference includes a `$` in the front. This is important if you want to drag a formula across multiple cells.
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```excel
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$A:$B
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```
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**Referring to a sheet name**
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To refer to cells in another sheet, first begin the reference with the sheet name, then a period, follow by the cells you wish to reference in that sheet. If the sheet name has spaces in it, then you need to wrap it in quotes.
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```excel
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'Another Sheet'.A:B
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```
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**Referring to a column**
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To refer to a single column, you need to repeat the column name separated by a colon.
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```excel
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B:B
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```
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**Get row that matches a query**
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For this we'll use the `MATCH` function. It takes three parameters:
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1. The value to match
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2. The range of cells to query over
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3. Which comparison function to use. Use `0` for equality.
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It will then return the first row number that matches the query.
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```excel
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MATCH("Bob", B:B, 0)
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```
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**Query a value based on another from that row.**
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To do this, we will need to combine both the `INDEX` function and the `MATCH` function. The `INDEX` function takes three parameters:
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1. The range of cells to reference
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2. The row number
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3. The column number
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Use the `MATCH` function as the second argument, and you can reference another column of a row based on a query.
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```excel
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INDEX(A:B, MATCH("Bob", B:B, 0), 1)
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```
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**Refer to a value in a nearby cell**
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With the `OFFSET` function you can refer to a cell relative to another. Its parameters are:
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1. Reference Cell
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2. Row Offset
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3. Column Offset
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4. Height
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5. Width
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```excel
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# To see the value in the row above A5 (A4)
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OFFSET(A5, -1, 0, 1, 1)
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```
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**Concatenate Strings**
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Strings separated by `&` are concatenated together.
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```excel
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"Hello " & "World."
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```
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