Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
CaCO₃ → CaO + CO₂
\frac{8}{7} \sum_{i=1}^{n} i^{2}
278K
e^{i\pi} + 1 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K