Excellent app for writing mathematical calculation. Just type the maths, and the app can understand what you typed and converts into proper digits and symbols.
A quick app to create Microsoft type PowerPoint slides. You are given options for various templates to choose.
iPad doesn’t have a file explorer. If you want to check on the files available in your iPad, then this app is for you. It shows various type of files available in iPad
Need a quick app for your drawing solution, then Draw is the app you should look out for. You create a quick diagram with the stencils with different colors.
Need some quick coaching classes. Khan academy is for you. There are quite a few video lessons to enhance your skills.