i2ksbu2b

Maybe should have spent less time to not have time to write overflow hidden then.

html width 100% height 100% overflow: hidden

Please don't do this. I would love to try it, but it's unusable on phone even on desktop mode.

Is what you are measuring actually meaningful?

Also you dont need to write them out, you can still calculate it in your head "manually".

I think second student may have easier time to apply knowledge on things like 4 * 2,75.

to avoid hacking

I wouldn't. One of the main asmr triggers is watching someone focus and work on something.