A
system of
rule s for the manipulation of
characters as in the logical calculus or in the differential calculus. If the characters are
SYMBOLs, a calculus provides the basis for the
analysis of what the symbols represent collectively and individually.
information theory is a calculus for analysing the amount of
entropy in an observed system into various quantities of
information exchanged within that system. (
Krippendorff )
