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Discover LudwigThe word 'pi' is correct and usable in written English
It is the lowercase version of the Greek letter 'Π' and is often used in mathematics to represent the ratio of a circle's circumference to its diameter (approximately 3.14159). Example: To find the area of a circle, you need to use the formula A = πr², where π is the mathematical constant known as pi and r is the radius of the circle.
Dictionary
PI
noun
The name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
Exact(60)
Under Professor Stewart's guidance you will discover the mathematics of codes, sudoko, Rubik's cube, music, primes and pi.
Perimeter Institute for Theoretical Physics (PI), in Waterloo, Ontario, which has just opened a snazzy, new wing named after Stephen Hawking, the world's most famous living physicist, offers all three.PI was set up in 1999 by Mike Lazaridis, founder and co-CEO of Research in Motion, the maker of the BlackBerry range of personal digital assistants.
Indeed, things have almost been too good to be true.Some commentators, such as Tim Lee of pi Economics, a research firm, have consistently warned that investors have become complacent.
Tim Lee of pi Economics, a consultancy, sees a commodity crash as heralding a similar collapse in stockmarkets.
Everyone should have access to the great works of the world, whether heavy (Shakespeare, "Moby-Dick", pi to 1m places), or light (Peter Pan, Sherlock Holmes, the "Kama Sutra").
The current era rather resembles the biblical dream of seven lean years.Tim Lee of pi Economics reckons that American profits may be depressed for some time, because the country is headed for a prolonged period of slow growth.
AMONG the four-character idioms that all Japanese schoolchildren must learn is kan son min pi ("respect officials, despise the people").
Pi (for Piscine), a 16-year-old boy, emigrates to Canada with animals from a zoo his father ran in India.
No doubt a newer generation of microprocessors can help the maths class calculate pi to even more decimal places.
You start with the square of an electron's charge, divide it by the speed of light and Planck's constant, then multiply the whole lot by two pi.
But, as Tim Lee of pi Economics, a consultancy, points out, the practice is much more widespread; in eastern Europe, many companies and individuals borrow at a lower rate in foreign currencies in order to buy property.It is a bit like "maxing out" on your credit cards.
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CEO of Professional Science Editing for Scientists @ prosciediting.com