Interesting Facts of Maths !!!

Interesting Facts of Maths

• The Hindu-Arabic numeral system began developing as early as the 1st century with a full system being established around the 9th century, forming the basis of the numerical digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 that we use today.
• Zero, symbol: Indians were the first to use the zero as a symbol and in arithmetic operations .
• The symbols used for addition (+) and subtraction (-) have been around for thousands of years but it wasn’t until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming.
• The equals sign (=) was invented in 1557 by a Welsh mathematician named Robert Recorde
• Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today’s measurement which uses the value of Pi (around 3.14).
• Billion, Trillion, Quadrillion, Quintillion, Sextillion, Septillion, Octillion, Nonillion, Decillion and Undecillion.
• The name of the popular search engine ‘Google’ came from a misspelling of the word ‘googol’, which is a very large number (the number one followed by one hundred zeros to be exact).
• From number 0 to 1000, the letter ‘A’ only appears in 1000 (One thousand)
• An icosagon is a shape with 20 sides
• Have you heard about a Palindrome Number? It is a number that reads the same backwards and forward, e.g. 12421