Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
d/dt [t^11] = 11t^10
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
339K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
121K
CaCO₃ → CaO + CO₂
det| 12 6 ; 1 13 | = 150
316K
det| 9 8 ; 1 10 | = 82
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
11K
det| 6 7 ; 2 7 | = 28
387K
det| 5 3 ; 2 6 | = 24
67K
det| 8 9 ; 5 9 | = 27
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K