Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:37Z
d/dn [n^4] = 4n^3
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
iħ ∂ψ/∂t = Ĥψ
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
305K
∑_{k=1}^{n} k = n(n+1)/2
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
293K
det| 5 7 ; 5 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
300K
∑_{k=1}^{n} k = n(n+1)/2
34K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
354K
∫₀^∞ e^(-θ²) dθ = √π / 2
368K