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Who uses the code for design? Codes are typically full of formulae that
cannot be rearranged to calculate desired values, so have to use trial and
error. Where as with the simpler rules of thumb can get to the desired
result a lot faster.

Codes are for assessment, and we study mathematics to understand
relationships between critical characteristics of the system, not stuff
numbers in formulae and calculate point-values. So if understand the
relationships, there is not always a need to re-do calculations in the terms
of the code of practice. Codes are guidelines.

And software tends to waste paper printing out, a great deal that is not
necessary. Calculations are a means to an end, not an end in themselves. I
think there is some need to rationalise what all the paper is being churned
out for. Especially given that in many instances, dealing with wrong
characteritics and keep producing point-value calculations project by
project to provide a submission to meet a regulation, when really only ever
needed to calculate a maximum/minimum value once in a career. (of course it
creates work, but doesn't add real value to a project)

Conrad Harrison
B.Tech (mfg & mech), MIIE, gradTIEAust
South Australia

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