id: 06443530
dt: j
an: 2015d.00734
au: Ecker, Michael W.
ti: When the floor meets the ceiling.
so: Math. Comput. Educ. 49, No. 1, 6-13 (2015).
py: 2015
pu: MATYC Journal, Old Bethpage, NY
la: EN
cc: I20 P20
ut: non-continuous functions; least-integer function; ceiling function;
greatest-integer function; floor function; calculus; mathematical
applications; rounding; postage costs; card trick; Mersenne primes;
large numbers; calendar; computer programming
ci:
li:
ab: From the text: Some computer science students as well as some calculus
students encounter the floor function. The latter typically are
presented it solely as a counterexample within the topics of limits and
continuity. Surely there are other good uses for the greatest-integer
function.
rv: