> For the complete documentation index, see [llms.txt](https://docs.simplespa.net/simplespa-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.simplespa.net/simplespa-documentation/daily-operations/pos/common-checkouts-and-tutorial-walkthroughs/applying-notes-and-change-calculator.md).

# Applying Notes & Change Calculator

Add notes to a transaction receipt and use the change calculator for cash payments in the POS.

This page explains how to add notes to a receipt and how to use the change calculator for cash payments.

## Receipt notes

Press the discreet notes button to open an area where you can write notes to save with the transaction receipt.

<figure><img src="https://695085455-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fa9tSKQ7Cexg8YEba5Evb%2Fuploads%2FVvt6PXVDximYrTrtFyiY%2Fimage.png?alt=media&#x26;token=8a3c1d2e-3b5e-478a-81da-5f5462038c5d" alt=""><figcaption></figcaption></figure>

## Change calculator

Press the calculator button to open an area where you enter the paper bill the client gave you. It calculates the change to return to the client.

<figure><img src="https://695085455-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fa9tSKQ7Cexg8YEba5Evb%2Fuploads%2F49RGvqQi7oiClgt7fjMX%2Fimage.png?alt=media&#x26;token=f6bb77c6-f839-44f7-bfbf-6fdf234e8c1b" alt=""><figcaption></figcaption></figure>

For example, this simulates a $100 bill given for a $78 total. The change shown here, $22, is not saved and is for reference only.

<figure><img src="https://695085455-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fa9tSKQ7Cexg8YEba5Evb%2Fuploads%2FXantfiOHpo7YGLkVFc2z%2Fimage.png?alt=media&#x26;token=61c0830d-9ad8-4b49-ac39-1f37cbe0e2a2" alt=""><figcaption></figcaption></figure>

## Related

* [Cash Drawer / Till](/simplespa-documentation/daily-operations/hardware/cash-drawer-till.md)
* [Recording a Sale](/simplespa-documentation/daily-operations/pos/recording-a-sale.md)