MATHS INTERESTING FACTS

Maths Interesting Facts

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• What comes after a million, billion and trillion? A quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion and undecillion.

• Different names for the number 0 include zero, nought, naught, nil, zilch and zip.

• Zero ( 0 ) is the only number which can not be represented by Roman numerals.

• The name 'zero' derives from the Arabic word sifr which also gave us the English word 'cipher' meaning 'a secret way of writing' .

• Do you know the magic of no. nine (9)? Multiply any number with nine (9 ) and then sum all individual digits of the result (product) to make it single digit, the sum of all these individual digits would always be nine (9).

• Here is an interesting trick to check divisibility of any number by number 3.A number is divisible by three if the sum of its digits is divisible by three (3).

• The = sign ("equals sign") was invented by 16th Century Welsh mathematician Robert Recorde, who was fed up with writing "is equal to" in his equations.

• Googol (meaning & origin of Google brand ) is the term used for a number 1 followed by 100 zeros and that it was used by a nine-year old, Milton Sirotta, in 1940.

• The name of the popular search engine ‘Google’ came from a misspelling of the word ‘googol’.

• Abacus is considered the origin of the calculator.

• Have you ever noticed that the opposite sides a die always add up to seven (7).

• Equal sign (=) was first used in 1557 by Robert Recorde, an Englishman.

• 12,345,678,987,654,321 is the product of 111,111,111 x 111,111,111. Notice the sequence of the numbers 1 to 9 and back to 1.

• Plus (+) and Minus (-) sign symbols were used as early as 1489 A.D.

• An icosagon is a shape with 20 sides.

• Trigonometry is the study of the relationship between the angles of triangles and their sides.

• If you add up the numbers 1-100 consecutively (1+2+3+4+5...) the total is 5050.

• 2 and 5 are the only primes that end in 2 or 5.

• From 0 to 1,000, the letter "A" only appears in 1,000 ("one thousand").

• A 'jiffy' is an actual unit of time for 1/100th of a second.

• 'FOUR' is the only number in the English language that is spelled with the same number of letters as the number itself

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