Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:19Z
d/dn [n^4] = 4n^3
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
163K
det| 2 8 ; 7 3 | = -50
259K
iħ ∂ψ/∂t = Ĥψ
det| 3 1 ; 7 4 | = 5
305K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 5 7 ; 5 6 | = -5
det| 9 4 ; 1 10 | = 86
300K
det| 3 7 ; 2 4 | = -2
34K
Fe₂O₃ + 3CO → 2Fe + 3CO₂