samzenpus from the those-who-don't-know-history dept.
nixkuroi writes "Redbox, apparently not having noticed the backlash against Netflix, has decided to charge its customers 20% more per day. Though there will be a discounted grace period for the first day of rental until Nov. 30 2011, the full pricing increase will kick into effect on December 1."
In any formula, constants (especially those obtained from handbooks)
are to be treated as variables.