plain text display
Hello World!
image display

code display1
#include <stdio.h>
int main(){
printf("Hello World!");
std::cout<<"Hello World!"<<std::endl;
return 0;
}
code display2
#include <stdio.h>
int main(){
printf("Hello World!");
return 0;
}
LaTeX Math formula display
\(c = \sqrt{a^{2}+b_{0}^{2} +e^{x}}\)