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Volume 3 No.3, Fall 1999 |
ISSN# 1523-9926 |
Letter to the Editors
Symbols in Technology
Ed
Widener
Purdue University
The
late Sayyed Kazem, our MET colleague from Afghanistan, pushed for consistent
usage of unique symbols. Being globally educated, he viewed "clear communication" as the
key to problem-solving. As a teacher, he liked "specificity" :
-
The
"point temperature" as read from a thermometer is
"degree-C" (or F).
-
Temperature
difference (length) is C-degrees.
-
Rather
than "percent", he specified "weight percent" (w/o),
"volume percent" (v/o),
and "atom percent" (a/o).
Such care can be significant.
Of course, he was concerned at the proliferation of "seraphs &
fonts" in
computer-software: Perhaps "///" might mean 3 (the decimal system), or
111
(decimal), or even "7" (binary) and worse (quinary). Since Engineering Technology
is essentially "Numerical Problem-Solving", he used the simple
stroke
(/) for a one, and the simple oval (0) for a zero. Then his letter "Oh"
was a circle, the letter "Eye" had 3-seraphs, & the small
"el" was a
wavy
stroke. I find it hard to type what I mean! One of my busy pals (Jones)
spells his email-address as "J-zero-N-E-S"; this eliminates
junk-mail
from the uninitiated or unobservant sender.
Mixing the upper & lower "Cases" of an alphabet was
discouraged:
-
How
do
we distinguish between mm (millimetre), Mm (Megametre) & MM (MegaMega)?
-
Chemical symbols are Capitalized; any second letter is lower-case; thus K
is
potassium, but k is kilo.
-
And how do we recognize Kelvin (he used
"degree
Kelvin") if standard S.I. has no "degree-mark"?
-
We see
Malaysians
using K for "Carbon", because C would be "Charbon" (like
Cili-pepper).
Furthermore, he shunned abbreviations & contractions:
-
Pa is Pascal,
but
PA is Public Address;
-
pH is acidity, but Ph. is phase;
-
Si is
Silicon,
but SI means metric units.
-
Met. is Metallurgy, but MET is
Mechanical
Engineering Technology?
I rest my case (no pun intended).
Overall, Sayyed preached a careful selection of six "Unique
Alphabets":
-
Roman-print (A-Z), both upper & lower cases;
-
Cursive-script (Palmer
or
Zener-Blosser
Method), both cases; and
-
Greek-letters (alpha-omega),
both
cases.
In our Materials & Thermo lectures, we neglected
"Cursive-Greek". However, needing "distinctive symbols" to avoid confusing
Volume-Velocity-Viscosity,
perhaps our profession will extend to Hebrew or
Arabic
Alphabets. After all, we got our Numbers from the Arabs!
Have you ever tried to develop a "Key" for these six alphabets?
It is
indeed
a challenge to make each symbol unique. Moreover, to make them easily
formed,
thus readily remembered & consistently used. My diffident
colleagues
merely say, "Don't you have enough to do?" Nevertheless, if
interested
please give it your best try; then RSVP to
elwidener@tech.purdue.edu
.....10/4.
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