In life you need either inspiration or desperation. – Tony Robbins
Create an online quote picture with text quotations by uploading image from your device. Best designer quotes can be created with below tool options like filters, fonts, colors, image zoom, auto adjust text feature for best fit in image and many more features.
You can download designed image to your device with "Download" button and "Reset" button will set to original position.
Similarly for marking exercises, quantitative exercises, maybe not so much in mathematics, but certainly problem sets in physics, chemistry, and engineering and things like that where answers and methods are clear cut, absolutely. I would like to see that done online. – David Gelernter