HP HP-35 - Page 8

The speed and convenience with wh i ch yo u can arrive at a
Solution
to a problem is unparalleled. V ou will find that
fewer mistakes occur when compu t ations are easier to
make. Y ou will also find yoursei f performing calculations
you did nOt do before. They fa ll into Thr ee categor ies:
firsT, Those calculations in your own field that were
avoided in favor ot an educated guess. The ability to
perlorm complex calculations whereV(! r you are and what -
ever
me situation will enhance your prolessional staTure.
The
second category consists of calculations indirectly
related
to your pro fe ssion - computing the return on an
inveslment, reconciling
your bank account, pursuing your
hobby with professional precision, etc. The last categOfY
contains thO$!! expioratOfY calculations t hat you do for
lun.
They arise when someone asks "Old you
know ... ?". For exam pl e, did you know thai one cubic
mile of air weighs
more than 5 million tons?
Did
you know that a man running a 4--minute mile turns
100 yards in a little more man 1 3.6 seconds?
Did you know that 355 / 1 13 is an excellent appro xi -
mation
to n?
ii