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Ein Auszug aus Zakrekenmachines in de waterleidingindustrie, IR. T. N. OLSTHOORN KIWA NV, pgs 397-8.

Gebruik van het programma op de Hewlett & Packerd HP41C:

A flowchart/program is provided (pg. 398)

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SlideRule

ps: also check

Hantush Well Function Revisited
E.J.M. Velinga, C. Maasa,b
Delft University of Technology,
Faculty of Civil Engineering and Geosciences,
Department of Watermanagement,
P.O. Box 5048, NL-2600 GA Delft, The Netherlands
KWR,
P.O. Box 1071, NL-3430 BB Nieuwegein, The Netherlands

The unearthing of these historic documents is a remarkable job, many thanks for that... even if we're now in the Dutch language department ;-)

Pity there's no program listings associated with this last one.

''AM

(01-31-2019 01:14 PM)Ángel Martin Wrote: [ -> ]… these historic documents … no program listings associated …

I also lament the lack of program listing/flowchart/etc. in many publications referencing calculator applications. I am still hopeful that posting the same will stimulate some member/guest to fill in the gaps, either from their more complete archive(s) or from their talent/abilities. The latter seems to materialize more than the former but either is welcome and encouraged; we all benefit (for the better), irrespective: many more postings to come.

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SlideRule