SIGFPE - Arithmetic exception, integer divided by 0, or floating-point exception.
SIGFPE—算术异常、整数被零除或浮点异常。
2
While nearly every processor and programming language supports floating pointarithmetic, most programmers pay little attention to it.
虽然几乎每种处理器和编程语言都支持浮点运算，但大多数程序员很少注意它。
3
SQL-92 includes a decimal data type, which is an exact numeric type for representing fixed point decimal Numbers and performs basic arithmetic operation on decimal Numbers.