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Here are a few of the Features built into PLETHORA
• 1500+ measurement units organized hierarchically in over 100 "modes" (Length, Volume, Area, Force, Pressure, and many others) and nine categories (Basics, Electricity, Heat, History, Light & Radiation, Mechanics, Time, Unit Costs & Quantities, and Trivia).
• Over 120,000 different conversions are possible.
• Over 600 definitions for units and unit groups are available at the click of a button.
• Converts commonly used "compound" units such as: "tons, pounds, and ounces", "hours, minutes, and seconds", and "feet, inches and fractions"
• Contains over 58 physical constants such as: "speed of light" and gravitational acceleration"
• Converts clock times between any two of over 200 locations in the world, in standard or 24-hour format
• Trivia conversions in the "Trivia" category, to answer such important questions as: "How many times higher is Mount Everest than the Washington Memorial?", or "How much would I weigh on Jupiter?"
• Significant figures vs. "calculator" display.
• U.S./English vs. International number formatting (commas vs. spaces).
• Scientific vs. standard notation.
• Record complete conversions (original value and unit name with converted value and unit name) in the built-in journal, or save conversions to text files that can be opened and edited by most spreadsheets and word processors
• Zoom down window view to show only units and values for repeat conversions for convenient cutting and pasting into open documents in other applications
• Customized conversion table generation
• Easily add and remove units from the database
• Store up to 30 often-used conversions in a pull-down menu for quick access.
• Comprehensive on-line help with insights on the history and methodology of measurement.
A few of the purchasers of PLETHORA (formally known as MetricMaster) include:
• Los Alamos National Research Laboratory (New Mexico)
• Lawrence Livermore National Laboratory
• Xerox PARC (Palo Alto Research Center)
• Stanford Linear Accelerator Center (California)
• Pellissippi State Technical College (Tennessee)
• Iroquois Gas Transmission System
• Briggs and Stratton Corp
• Institute for Astronomy, Hawaii
• Batelle Institute
Excerpts from Past Reviews:
“…In all, it is a very useful program for anyone who deals with a variety
of units, and would like a faster way of dealing with them than digging up
that old copy of the Handbook of Chemistry and Physics.”
Henning Wulff, for MACSCITECH MAGAZINE
“…All told, a scientifically complete and accurate.
I haven't seen a better unit-conversion program for the Mac…”
Jerry Pournelle, BYTE MAGAZINE
“It is a very handy utility if you are in design, engineering, business,
research, education, school, or even if you have curious seven year olds who
just have to know.” “All in all, it is a very impressive program,
professionally done and extremely useful to the right people.”
THE COMPUTER PAPER
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