Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:23Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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CaCO₃ → CaO + CO₂
det| 7 8 ; 4 8 | = 24
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
e^{i\pi} + 1 = 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
339K
∂x/∂r = 4x
det| 9 4 ; 1 10 | = 86
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O