Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-x²) dx = √π / 2
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 4 1 ; 2 5 | = 18
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
iħ ∂ψ/∂t = Ĥψ
det| 10 5 ; 6 11 | = 80
358K
det| 7 3 ; 6 8 | = 38
121K
CaCO₃ → CaO + CO₂
d/dn [n^12] = 12n^11
399K
det| 11 8 ; 6 12 | = 84
316K
det| 9 8 ; 1 10 | = 82
det| 7 4 ; 4 8 | = 40
11K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
346K