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It’s not much easier to find the textbook in the real world, where you have been using Ctrl-F on your keyboard to find instant items. As you can able to get faster with the support of your phone’s camera using with CTRL-F app.
This new invention pretty cool in a direct way to approach: All you have to do to take images of printed text books and there you want to find, the CTRL-F is the app will searches on the printed text and creates a new searchable things, display digital images on your phone screen. After that you can use text query the result will be displayed instantly. The image fonts look so improvement while you focus on digitally, and also the app doesn’t support handwritten fonts.
A few things that you need to handle, hold your phone camera with flash led, search the printed text, magazine, or manuals and save the documents with a new name. The app supports more than 50 plus languages. Even you don’t speak of languages the app help you to search those printed texts. It can export the documents with full fledge searchable PDF file format that completely gives you free of service.
Source: CTRL-F for Android