How to Check Purchase History on Apple App Store
Through your purchase history on the App Store, you will know when you downloaded that app or game, and how much you paid for the paid app.
The development of technology brings many great benefits to people. In particular, using a camera to save memorable moments and capture anything we need is extremely useful. You can use the camera to take pictures of bills, maps, items... However, when you need to send a document to a bank or a company, you cannot take a photo with a normal camera because it does not look very professional. At this time, what you need is a scanning application on your phone. In this article, I will introduce to readers one of the best applications - CamScanner.
Below, I will guide readers to use CamScanner on Android, however, this product is also available on iOS and Windows Phone with a similar interface.
Scan image
The application has a simple and fast document scanning function.
When you launch the app, you will automatically be taken to the My Docs screen . Click the camera icon in the bottom right corner to start scanning.

On the scan screen, there are 3 types of scans you can do: Docs, ID Card and QR Code. If you want to scan your passport for printing, you should use the ID Card scan option. Note that you should place it on a flat surface before continuing.
If you're scanning a document, you can choose between Single and Batch Mode. Use Single if you want to scan a single page, and use Batch Mode if you want to scan multiple pages in a document. You can also change cropping and batch editing options in the app's Settings menu.
When you click on the gear icon, it will allow you to change settings like flash, text orientation, and resolution.
Edit scan
Once you're done scanning, the app will automatically switch to the editing screen to adjust the perimeter of the document.
At the bottom of the screen, you'll see options to rotate the image and a button—in case you want to keep the entire previous document.

You can add Instagram filters to your scans to make your documents more readable. There are seven options: Auto, Original, Lighten, Magic Color, Gray Mode, Black and White, and Black and White 2.
Text Extraction
CamScanner comes with an OCR feature to extract text from a scanned image. To use this feature, you need to follow all the steps above. Then, instead of clicking Tick to complete the process, click on OCR Magnifying Glass .
The app will ask you whether you want to scan the entire document or just a specific area. Once you've made your selection, click Recognize to begin.

The scan results will be displayed on the screen.
Post-processing
Once the scan is saved to your My Docs file, you can make some additional edits using the Crop, Share, and Rename options in the top right corner. At the bottom of the screen, you'll see options to rotate the document, extract OCR text, and add annotations.

Above, I have guided you on how to use the CamScanner application to scan and edit documents. There are also many other applications. You can refer to more at: Effective photo scanning applications on smartphones
Through your purchase history on the App Store, you will know when you downloaded that app or game, and how much you paid for the paid app.
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