mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-10-09 23:43:29 +08:00
bugfix
This commit is contained in:
@@ -1,3 +1,31 @@
|
||||
<h1>数学函数 - sqrt</h1>
|
||||
<h1><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> - sqrt</h1>
|
||||
<h1><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> - sqrt</h1>
|
||||
|
||||
<p>原型:extern float sqrt(float x);</p>
|
||||
|
||||
<p>用法:#include <math.h></p>
|
||||
|
||||
<p>功能:计算x的平方根。</p>
|
||||
|
||||
<p>说明:x应大于等于零。</p>
|
||||
|
||||
举例:
|
||||
<pre>
|
||||
|
||||
|
||||
// sqrt.c
|
||||
|
||||
#include <syslib.h>
|
||||
#include <math.h>
|
||||
|
||||
main()
|
||||
{
|
||||
clrscr(); // clear screen
|
||||
textmode(0x00); // 6 lines per LCD screen
|
||||
|
||||
printf("sqrt(2000)=%f",sqrt(2000.0));
|
||||
|
||||
getchar();
|
||||
return 0;
|
||||
}
|
||||
</pre>
|
||||
相关函数:无
|
||||
|
Reference in New Issue
Block a user