Dyscalculator is a free IOS app calculator specifically designed for people with dyscalculia.
You can easily switch around and drag and drop numbers and the numbers are written out in words underneath where they are written numerically.
You can also choose to have the numbers read aloud to you.
https://itunes.apple.com/us/app/dyscalculator/id508012847?mt=8
I just got chills. This would have changed my life.
@inkyblacknight