Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:43Z
d/dn [n^4] = 4n^3
det| 7 4 ; 4 8 | = 40
384K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
163K
∑_{k=1}^{n} k = n(n+1)/2
259K
iħ ∂ψ/∂t = Ĥψ
det| 4 8 ; 3 5 | = -4
305K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\lim_{β\to 0} \frac{\sin β}{β} = 1
293K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
110K
det| 5 7 ; 5 6 | = -5
det| 12 9 ; 4 13 | = 120
Fe₂O₃ + 3CO → 2Fe + 3CO₂