A return is possible within the time limit. However, once the original packaging has been opened, a minimum discount of 10% may be applied, depending on the condition of the packaging and the product. You can find more information about returns on the following link: https://www.digitec.ch/de/guide/7

ja

Here's the manual in english: https://education.ti.com/-/media/6F43475FAD4C43899B882C2A76CB3110 The calculator itself is in english as well, as shown in the picture.