Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:42Z
d/dn [n^4] = 4n^3
\lim_{β\to 0} \frac{\sin β}{β} = 1
384K
det| 9 4 ; 1 10 | = 86
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
163K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
110K
det| 5 7 ; 5 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
300K
det| 5 9 ; 7 6 | = -33
34K
Fe₂O₃ + 3CO → 2Fe + 3CO₂