Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:40Z
d/dn [n^4] = 4n^3
det| 1 4 ; 3 2 | = -10
384K
det| 3 1 ; 7 4 | = 5
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
305K
det| 9 4 ; 1 10 | = 86
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
293K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
110K
det| 5 7 ; 5 6 | = -5
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
300K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
iħ ∂ψ/∂t = Ĥψ
2r² + 6r + 7 = 0
5θ² + 9θ + 7 = 0