|
John Fielding,
CEO
|
Hemmi was the largest manufacturer of slide rules, and is estimated to have sold some 15 million rules over its lifetime.
|
|
Brian Mengel,
Civil Servant
|
Plus, slides that must be shown to comply with industry regulations or content rules are inserted automatically.
Lomanco provides slide rules and charts to help them determine the ventilation necessary to meet minimum property standards.
Slides will be disqualified if in the opinion of the Photo Contest Chairman and monthly judge, the slides do not meet the monthly subject matter, or do not meet one of the aforementioned rules.
|
|
Steve Riggins,
Software Deveoper
|
Most slide rules were also equipped with special scales for trigonometric functions, powers, roots, and other useful arithmetic functions.
|
|
Mike Enlow,
Internet Marketer
|
One concept per slide and a maximum rate of one slide per minute are also good rules to follow for effective presentations.
|
|
Arthur Dawkins,
Astro-physicist
|
All slide rules consist of logarithmic scales that can be moved in relation to each other in order to do basic mathematical calculations.
Upchurch lived to see calculators make slide rules obsolute and his problem student teaching another generation of physics students.
The fact is that countersteering is still being argued in the halls of learning with slide rules, Physics formulas and calculators.
|
|
Dan Toomey,
Computer Salesman
|
There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.
The same basic rules of text size, information density and diagram complexity apply for screen presentations as for the use of the overhead transparency and the 35mm slide.
Slide rules were in continual use by scientists and mathematicians right up until to the introduction of the first handheld calculator by Hewlett Packard in 1972.
|
|
|
