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igcse Learning Center

Integers, power , roots

Hi Everyone ,  this is the series for the IGCSE class 7 and we are using Cambridge Checkpoint resources as our reference. Seeing the current scenario , it is  important that students don’t loose out in their studies , so this is my attempt to help you in your Maths studies . I will also […]

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Who Invented the Equal sign?

  Equal sign commonly used in mathematics and computing around the world, was first recorded by welsh mathematician Robert Recorde in 1557 in his book “The Whetstone of Witte”. Recorde composed the symbol consisting of two parallel lines to avoid having to write over again and again “is equal to”. Recorde’s representation of the equal sign […]

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Pi Day

March 14 (03/14) is celebrated as Pi (π) day by mathematician scholars and enthusiasts around the world because 3, 1 and 4 are the first three significant digits in the value of Pi. The number Pi is defined as ratio of circumference of circle to its diameter and is a constant number.  In other words […]

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Ramanujan’s Number

1729 is called Ramanujan’s number. This number became famous through the conversation bwteen two great mathematicians – Srinivas Ramanujan and Godfrey Harold Hardy. English mathematician G.H. Harold narrated ” I remember once going to see him when he was ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number […]

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Learning Center Sutra

Sutra 10 – Yaavadunam

The Sutra means “By the Deficiency”. Here find the deficiency of the number to its nearest base. The difference between the number and the base is termed as deviation or reference base or complement which may be positive or negative. Example: Number Base Deficiency 8 10 10 – 8 = 2 14 10 10   […]

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Learning Center Sutra

Sutra 2 – Nikhilam navatascaramam Dasatah

The Sutra means “All from 9 and the last from 10”.  In mathematical terms, this means find complement of a number.  Subtract the number from the nearest power of 10 such as 10, 100, 1000 etc. The power of 10 from which the difference is calculated is called the Base. The difference between the number […]