c语言练习4

#include <stdio.h>

int main(){
    float f = 3e-3;
    printf("f=%f\n",f);
    return 0;
}

PS D:\Cprogtest> cd "d:\Cprogtest\.vscode\" ; if (?) { gcc learn0414.c -o learn0414 } ; if (?) { .\learn0414 }

f=0.003000

PS D:\Cprogtest\.vscode>