Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 12 4 ; 3 13 | = 144
339K
det| 6 8 ; 0 7 | = 42
177K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
121K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
CH₄ + 2O₂ → CO₂ + 2H₂O
316K
det| 9 8 ; 1 10 | = 82
∑_{k=1}^{n} k = n(n+1)/2
11K
∂ω/∂t = 2ω
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
det| 2 7 ; 2 3 | = -8
338K
det| 5 3 ; 2 6 | = 24
346K
\lim_{z\to 0} \frac{\sin z}{z} = 1
348K