Calc tutorial angula

hi. looking for a basic or advanced calc app learning to build. with ionic , angula. i did download visual code, as it works great with my screen reader jaws for windows http://www.freedomscientific.com. as totally blind and thought i would learn to use ionic and comfortable with windows powershell and command prompt. so any recommendations. and any ideas. thanks. any other developers in australia. free to get in touch with me via e-mail.