1.a piece of information about circumstances that exist or events that have occurred;
first you must collect all the facts of the case
2.a statement or assertion of verified information about something that is the case or has happened;
he supported his argument with an impressive array of facts
3.an event known to have happened or something known to have existed;
your fears have no basis in fact
4.a concept whose truth can be proved;
scientific hypotheses are not facts
FACT函数 Microsoft Excel 中 FACT函数,返回某数的阶乘,一个数的阶乘等于 1*2*3*...* 该数。语法 FACT(number)语法参数 Number 必需。要计算其阶乘的非负数。如果 Number 不是整数,则截尾取整。