Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:19Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
289K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
iħ ∂ψ/∂t = Ĥψ
CH₄ + 2O₂ → CO₂ + 2H₂O
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
∂ω/∂t = 2ω
AgNO₃ + NaCl → AgCl↓ + NaNO₃
97K
det| 7 3 ; 6 8 | = 38
346K
det| 1 5 ; 4 2 | = -18
256K