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Quote
In the mathematics I can report no deficience, except that it be that
men do not sufficiently understand the excellent use of the pure
mathematics, in that they do remedy and cure many defects in the wit and
faculties intellectual. For if the wit be too dull, they sharpen it; if
too wandering, they fix it; if too inherent in the sense, they abstract
it. So that as tennis is a game of no use in itself, but of great use in
respect it maketh a quick eye and a body ready to put itself into all
postures; so in the mathematics, that use which is collateral and
intervenient is no less worthy than that which is principal and
intended.
Roger Bacon
(John Fauvel and Jeremy Gray (eds.) A History of Mathematics:
A Reader, Sheridan House, 1987.)
More quotes
(from the Mathematical Quotation Server).
Current weather in Honolulu, and at other places I have been.
Fourier Series
Graphs of the first 5 and 25 terms of the Fourier series of the step
function with value -Pi/2 from -Pi to 0 and value Pi/2 from 0 to Pi...
![[image]](./images/step.gif)
The red line is the graph of y=2 sin(x) + 2/3 sin(3x) + 2/5 sin(5x).
You can probably guess the function of which the green line is the
graph.
The Wave Equation
For yor amusement and viewing pleasure...
...a top view of a wave splitting in two, one piece travelling left
and the other right; and a front view of the same thing...
Other Web points of interest:
University of Hawaii Math Department
University of Hawaii
![[image]](./images/top.gif)
![[image]](./images/front.gif)