Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:29Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
278K
e^{i\pi} + 1 = 0
det| 10 7 ; 3 11 | = 89
177K
∂x/∂r = 4x
∫₀^∞ e^(-t²) dt = √π / 2
121K
det| 2 3 ; 5 3 | = -9
399K
det| 7 4 ; 4 8 | = 40
11K