Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-r²) dr = √π / 2
289K
e^{i\pi} + 1 = 0
det| 2 8 ; 7 3 | = -50
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
316K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
11K