Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
det| 5 3 ; 2 6 | = 24
46K
det| 9 6 ; 3 10 | = 72
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
iħ ∂ψ/∂t = Ĥψ
d/dt [t^12] = 12t^11
358K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
121K
CaCO₃ → CaO + CO₂
det| 7 4 ; 5 8 | = 36
387K
∑_{k=1}^{n} k = n(n+1)/2
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
276K
\lim_{β\to 0} \frac{\sin β}{β} = 1
346K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K