I think it was variances that tipped me over the edge. However what little latent knowledge I managed to stash away in my brain seemed to stand me in good stead

I think it was variances that tipped me over the edge. However what little latent knowledge I managed to stash away in my brain seemed to stand me in good stead later on. I guess another thing that stuck and thought was actually useful as a student was how to reconcile my bank account and cheque book.