test

数式

$${\left({\int }_0^{\infty }\frac{\sin x}{\sqrt{x}}dx\right)}^2=\sum _{k=0}^{\infty }\frac{(2k)!}{2^{2k}(k!{)}^2}\frac{1}{2k+1}=\prod _{k=1}^{\infty }\frac{4k^2}{4k^2-1}=\frac{\pi }{2}.$$

codeblock

Hello from inline code.

Here's vanila codeblock.

int main() {
    std::cout << "Hello, world!" << std::endl;
}

type N = O | S of N
let I = S O
let plus n m =
    match n with
    | S n' -> plus n' S m
    | O -> m

箇条書き

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