Mental calculation

Mental calculation (also known as mental computation) consists of arithmetical calculations made by the mind, within the brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator. People may use mental calculation when computing tools are not available, when it is faster than other means of calculation (such as conventional educational institution methods), or even in a competitive context. Mental calculation often involves the use of specific techniques devised for specific types of problems. Many of these techniques take advantage of or rely on the decimal numeral system. Capacity of short-term memory is a necessary factor for the successful acquisition of a calculation, specifically perhaps, the phonological loop, in the context of addition calculations (only). Mental flexibleness contributes to the probability of successful completion of mental effort - which is a concept representing adaptive use of knowledge of rules or ways any number associates with any other and how multitudes of numbers are meaningfully associative, and certain (any) number patterns, combined with algorithms process. It was found during the eighteenth century that children with powerful mental capacities for calculations developed either into very capable and successful scientists and/or mathematicians or, instead became a counterexample, having experienced personal retardation. People with an unusual fastness with reliably correct performance of mental calculations of sufficient relevant complexity are prodigies or savants. By the same token, in some contexts and at some time, such an exceptional individual would be known as a lightning calculator, or a genius. In a survey of children in England it was found that mental imagery was used for mental calculation. By neuro-imaging, brain activity in the parietal lobes of the right hemisphere was found to be associated with mental imaging. The teaching of mental calculation can be an element of schooling,...