Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:06Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
46K
det| 7 9 ; 1 8 | = 47
468K
iħ ∂ψ/∂t = Ĥψ
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
3r² + 6r + 7 = 0
\frac{4}{9} \sum_{i=1}^{n} i^{2}
177K
E = mc²
\frac{3}{2} \sum_{i=1}^{n} i^{2}
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
11K