---
papersize: a6
math: true
---

<style>
body { font-family: "Libertinus Serif"; font-size: 11pt; }
math { font-family: "Libertinus Math"; font-size: 14pt; }
</style>

Math mode manners:

$$f(x) = a' + b'' + c'''$$

$$f'(x) = x^2 + 1$$

Prose poses problems:

60\*10'16"N 24\*55'52"E (plain)

60°10′16″N 24°55′52″E (unicode)

60°10′16″N 24°55′52″E (idiomatic)