NC_Aback_2
ЦветаСиний
A photograph of handwritten mathematical equations and formulas on graph paper in blue ink. The page is densely covered with calculus and algebraic notation, with the lower portion fading into deep shadow. The composition captures the academic, studious nature of mathematical work in a realistic documentary style.
![Puzzle Hover [Ice]](https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/items/1653970/3bc6aa79abf43872e0a21c63452ef922b0b44fa2.jpg)
