Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:48Z
d/dn [n^4] = 4n^3
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
384K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
163K
det| 12 9 ; 5 13 | = 111
259K
iħ ∂ψ/∂t = Ĥψ
\frac{12}{6} \sum_{i=1}^{n} i^{2}
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
293K
∫₀^∞ e^(-n²) dn = √π / 2
110K
det| 5 7 ; 5 6 | = -5
det| 7 4 ; 4 8 | = 40
300K
det| 11 5 ; 0 12 | = 132
34K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{8}{7} \sum_{i=1}^{n} i^{2}
354K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
368K