Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
278K
e^{i\pi} + 1 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
339K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
177K
∂x/∂r = 4x
\frac{4}{9} \sum_{i=1}^{n} i^{2}
358K
\lim_{r\to 0} \frac{\sin r}{r} = 1
399K