Decimal
Decimal it is a way in order to represent the numbers used from some languages of programming adapted for calculations in book keeping within financial and. With the normal rappresentazione in mobile virgola, used as an example for the type double of language C it is not possible to represent the numbers decimates them in exact way: 0,1 will come in truth memorizzato like 0,10000000000000001. In the within of the scientific calculations, this does not represent a problem in how much the values is however affections from erroree the same algorithms supply turn out to you approximate to you.
In the mathematical financial institution instead small variations of the sort, they can have large repercussions. In a generalized manner the language prince for this within is the old one Cobol, that it supports the numbers of Decimal type in native way. The numbers are save to you in one codify different that even if the much slowest one in order to make the calculations, do not introduce rounding problems. This rappresentazione is available also in Rexx and from version 2.4 in
