Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-x²) dx = √π / 2
46K
d/dr [r^12] = 12r^11
468K
2H₂ + O₂ → 2H₂O
det| 1 4 ; 3 2 | = -10
289K
det| 7 1 ; 4 8 | = 52
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
det| 9 8 ; 1 10 | = 82
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
144K
∑_{k=1}^{n} k = n(n+1)/2
67K
\lim_{n\to 0} \frac{\sin n}{n} = 1
338K
CH₄ + 2O₂ → CO₂ + 2H₂O
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K
\frac{11}{4} \sum_{i=1}^{n} i^{2}
396K