Summary: COMPUTING ANOMALIES
These examples are meant to help motivate the study
of machine arithmetic.
1. Calculator example: Use an HP-15C calculator,
which contains 10 digits in its display. Let
x1 = x2 = x3 = 98765
There are keys on the calculator for the mean
=
1
n
nX
j=1
xj
and the standard deviation s where
s2 =
1
n - 1
nX
j=1
³

Source: Atkinson, Kendall - Departments of Computer Science & Mathematics, University of Iowa

Collections: Computer Technologies and Information Sciences