Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
339K
det| 1 5 ; 5 2 | = -23
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iħ ∂ψ/∂t = Ĥψ
det| 12 4 ; 3 13 | = 144
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
\frac{2}{9} \sum_{i=1}^{n} i^{2}
11K
CH₄ + 2O₂ → CO₂ + 2H₂O
387K
det| 1 1 ; 5 2 | = -3
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
det| 2 3 ; 7 3 | = -15
346K