On 26 Nov 2019 at 13:33, Alan Brinkman via EV wrote:
> A 28.7" tall tire has a circumference of PI * 28.7 or 3.17*28.7
The value of Pi has changed? Yikes! Good thing I put
#define PI 3.14159
in stdio.h. :-)
"The primary purpose of the DATA statement is to give names to constants.
Instead of referring to pi as 3.141592653589793 at every appearance, the
variable PI can be given that value with a DATA statement and used instead
of the longer form of the constant. This also simplifies modifying the
program, should the value of pi change."
-- FORTRAN manual for Xerox Computers
David Roden - Akron, Ohio, USA
EVDL Administrator
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