Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:25Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
468K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
det| 12 6 ; 0 13 | = 156
339K
∂x/∂r = 4x
\frac{4}{6} \sum_{i=1}^{n} i^{2}
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 8 ; 4 8 | = 24
316K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
387K