Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:12Z
\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
∫₀^∞ e^(-x²) dx = √π / 2
339K
det| 5 9 ; 7 6 | = -33
358K
∑_{k=1}^{n} k = n(n+1)/2
399K
∫₀^∞ e^(-t²) dt = √π / 2
316K