Ironic typos I just found in the Visual Basic textbook from two of my college computer classes

[matt1993]

"That is, if while coping an IBSN number you miscopy a single character or transpose two adjacent characters, then the sum (*) will no longer be a multiple of 11."

R.I.P. multiples of eleven ☠ Infinitember ∞, ∞ B.C. - June 23, 2010 A.D.