uTools-Manuals/docs/c/log10.html

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<h1>数学函数 - log10</h1>
<p>原型extern float log10(float x);</p>
<p>用法:#include &lt;math.h></p>
<p>功能计算x的常用对数。</p>
<p>说明x的值应大于零。</p>
举例:<pre><code class="language-c">
// log10.c
#include &lt;syslib.h>
#include &lt;math.h>
main()
{
float x;
clrscr(); // clear screen
textmode(0x00); // 6 lines per LCD screen
printf("lg(5)=%f\n", log10(5.0));
getchar();
return 0;
}
</code></pre>相关函数:<a href="log.html">log</a>