- The mathematics of error-correcting codes is applied to CD players and to computers.
- The stunning pictures of far away planets sent by Voyager II could not have had their crispness and quality without such mathematics.
- Voyager's journey to the planets could not have been calculated without the mathematics of differential equations.
- Whenever it is said that advances are made with supercomputers, there has to be a mathematical theory which instructs the computer what is to be done, so allowing it to apply its capacity for speed and accuracy.
- The development of computers was initiated in this country by mathematicians and logicians, who continue to make important contributions to the theory of computer science.
- The next generation of software requires the latest methods from what is called
*category theory*, a theory of mathematical structures which has given new perspectives on the foundations of mathematics and on logic. - The physical sciences (chemistry, physics, oceanography, astronomy) require mathematics for the development of their theories.
- In ecology, mathematics is used when studying the laws of population change.
- Statistics provides the theory and methodology for the analysis of wide varieties of data.
- Statistics is also essential in medicine, for analysing data on the causes of illness and on the utility of new drugs. .
- Travel by aeroplane would not be possible without the mathematics of airflow and of control systems.
- Body scanners are the expression of subtle mathematics, discovered in the 19th century, which makes it possible to construct an image of the inside of an object from information on a number of single X-ray views of it. Thus mathematics is often involved in matters of life and death.

## Monday, July 26, 2010

### The importance of mathematics

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