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Numerical analysis is the mathematical theory that leads to algorithm for solving mathematical models approximately on a computer. 


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are used to determine an approximation to the actual solution with in some tolerable degree of error. it is a iterative numerical method that can only be used with certain type or forms of a mathematical equation, and under normal circumstances converges to final value with pre determined level of accuracy 


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it can be classified in 2 categories. ROUND OFF AND TRUNCATION ERROR 


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it is a quantity R which must be added to the finite representation of the number in order to be a true representation of the number. 


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any computing device used preform calculations follow specific method to store number in a memory in order to ooperate upon them 


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are those digits that carry meaning contributing to its precision. 


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Numeric precision is defined as the exactness with which the value of a numerical estimate is known. For example, if the true value of sqr 4 is 2 and the computed solution is 2.0001, then the computed value is precise to within the first four figures or four significant digits. 

