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满意答案
linyzy8v3zx
2013.05.14
采纳率:41% 等级:12
已帮助:6704人
函数名: log10
功 能: 对数函数log,以10为底
用 法: double log10(double x);
程序例:#include
#include int main(void)
{
double result;
double x = 800.6872; result = log10(x);
printf("The common log of %lf is %lf\n", x, result); return 0;
} 函数名: log
功 能: 对数函数log,以e(2.71828)为底
用 法: double log(double x);
程序例:#include
#include int main(void)
{
double result;
double x = 800.6872; result = log(x);
printf("The common log of %lf is %lf\n", x, result); return 0;
}
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