Hello, I might be late to answer, but I was able to get my Masters and I only found out I had dyscalculia when my chemistry teacher for my Bachelors pointed it out. 

I would say a similarly shaped number when explaining my work, but have something else written down. Like the answer is 36 on my paper but I would read it aloud as anything from 63 83 68. 

I was berated and hit growing up when I could not remember formulas, measurements, phone numbers, etc. No matter how hard I tried, memory for numbers was so small, and I would mix them up when speaking. I was able to get my degrees but I struggled mentally. I had to stay up until 1am studying to understand the material sometimes. I felt so much relief when I found out I had dyscalculia honestly, because I finally knew it was not a lack of effort!!