Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:31Z
d/dn [n^4] = 4n^3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
384K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
iħ ∂ψ/∂t = Ĥψ
\frac{4}{9} \sum_{i=1}^{n} i^{2}
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
293K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
300K
det| 9 4 ; 1 10 | = 86
34K