Q: clearly higher ram speed

A: Clearly higher ram speed
++++++++
Q: no pictures or diagrams were allowed, and, much as i wanted to write "n n " to describe the dimensions of a matrix in my thesis, it had to be "n-by-n".

A: No pictures or diagrams were allowed, and, much as I wanted to write "n n " to describe the dimensions of a matrix in my thesis, it had to be "n-by-n".
++++++++
Q: corrective eyewear or refractive surgery can be used to correct astigmatism.

A:
Corrective eyewear or refractive surgery can be used to correct astigmatism.
++++++++