Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:01Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
468K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
3r² + 6r + 7 = 0
det| 6 6 ; 5 7 | = 12
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
E = mc²
det| 7 4 ; 4 8 | = 40
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{12}{6} \sum_{i=1}^{n} i^{2}
399K
\lim_{β\to 0} \frac{\sin β}{β} = 1
316K