Mathematics

Tuesday, August 30, 2011

Introducing prime integers

Introducing prime integers The prime integers are special with respect to multiplication. 2 is a prime integer. 3 is a prime integer. 4 is not a prime integer. Why is 4 not a prime integer? It is because 4 is 2 * 2. 5 is a prime integer. 6 is not a prime integer. 6 = 2 * 3. 4 and 6 are called... Sign in to see full entry.

Monday, August 29, 2011

Division by Zero.

Division by Zero. In some computers, provision is made for dealing with division by zero errors. Special number codes represents 1/0 and 0/0. They follow the rules that 1/0 + 1/0 = 1/0 1/0 + N = 1/0, where N is any valid number. 1/0 * 1/0 = 1/0 1/0 * N = 1/0 0/0 + 1/0 = 0/0 0/0 + N = 0/0, where N is... Sign in to see full entry.

Saturday, August 27, 2011

Meaning of Equality

Meaning of Equality What does it mean for two different number expressions to be equal? It means that the two different number expressions are each reducible to the same number. What does it mean that 2 + 5 = 3 + 4? 2 + 5 reduces to 2 + (4 + 1) = (2 + 4) + 1 = 6 + 1 = 7 3 + 4 reduces to 3 + (3 + 1)... Sign in to see full entry.

Friday, August 26, 2011

Remainder Arithmetic

Division of one integer by another gives both a quotient and a remainder. Divide 7 into 22. The quotient is 3 and the remainder is 1. This means that 3 * 7 + 1 = 22. Define remainder(22,7) to be the remainder when 22 is divided by 7. Extending this definition to all integers, we get remainder(7,2)=... Sign in to see full entry.

Thursday, August 25, 2011

Algebraically derived numbers

Algebraically derived numbers Ye have heard prophets of old say unto you, "It's very important to distinguish between numbers and names of numbers," but I say unto you, "Names of numbers are also numbers!" This means that in algebra class when we write (A + B) * (A + B) = (A + B) * A + (A + B) * B =... Sign in to see full entry.

Wednesday, August 24, 2011

Extending the number system

Extending the number system The number 1 is the foundation number of all arithmetic. In arithmetic and algebra, 1 is important as the unit of counting. In geometry, 1 is important as the unit distance. "1" is the distance between two arbitrarily chosen points on a line. These two point are labeled... Sign in to see full entry.

Tuesday, August 23, 2011

More on the Irrational Plane

On 7/2/2011 8:30 AM, Dan O'Donovan wrote: > That was very well explained, Kermit. Thank you.:) Thanks > e is a very special number. Some describe it as their favorite number, > which I can see, but not allude to. > I don't think it is fair to show favouritism.;-):) Yes. e is a very special number... Sign in to see full entry.

Introduction to the Irrational Plane

Complex plane and irrational numbers.:):) Where to begin? Begin in the middle, and work backwards and forwards. What are complex numbers? Complex numbers are the sum of real numbers and imaginary numbers. What are imaginary numbers? What are real numbers? Examples of real numbers are 0, 1, 2, 3,...... Sign in to see full entry.

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