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CSV Two-Column Arithmetic

Append the sum, difference, product or quotient of two numeric fields.

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02
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CSV field arithmetic online

Append the sum, difference, product or quotient of two numeric fields. Use this when inspecting structured input or preparing a data or code artifact. Generated commands and configurations remain text until you review and use them yourself.

How to use it

Paste the multi-line input in the format shown below. Set first numeric column, second numeric column, operation. Choose Run tool. Review the output, then copy or download it.

Options and example settings

Option	Choices / value	Example default
First numeric column	Enter first numeric column.	price
Second numeric column	Enter second numeric column.	quantity
Operation	multiply / add / subtract / divide	multiply

Worked examples

Use this when inspecting structured input or preparing a data or code artifact. Generated commands and configurations remain text until you review and use them yourself.

Reproducible worked example

Settings: First numeric column: price; Second numeric column: quantity; Operation: multiply

Input:

price,quantity
5,3
8,2

With the input and settings above, the tool produces:

Output:

price,quantity,calculated
5,3,15
8,2,16

The example output has 3 lines. Compare its order, separators and whitespace with the input before copying the result.

Limitations and common mistakes

Results reflect your supplied input and selected settings. Check the worked example and output before reuse.
Combined input is bounded to 150,000 characters; output text is bounded to 1.2 million characters. Some algorithms impose smaller limits, stated in their error messages.

Frequently asked questions

What format should I enter?

Paste the multi-line input in the format shown below. The worked example shows the supported structure and actual output.

How can I append the sum, difference, product or quotient of two numeric fields in CSV data online?

Paste the multi-line input in the format shown below. Set first numeric column, second numeric column, operation. Choose Run tool. Review the output, then copy or download it.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.