Calculator that connects to phone

A graphing calculator that has a camera on the back of it. The calculator connects to your iPhone and it connects to a certain app called Photomath. (Photomath is an app that uses the phone camera and your able to take pictures of math problems and it will solve it for your) So the camera on the graphing calculator displays the image on the graphing screen and once you take a picture it will send it to Photomath to solve for you. When you take a photo on your calculator and it sends it will automatically switch the calculator screen/camera screen to your iPhone screen so you can see what the answer is on Photomath. The graphing calculator will connect to your phone over Bluetooth or a hotspot/WiFi. Also there will be a little shutter/slide on the back of the calculator to conceal the camera which could be 3D printed.