Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:42Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 2 7 ; 7 3 | = -43
278K
e^{i\pi} + 1 = 0
det| 2 8 ; 7 3 | = -50
177K
∂x/∂r = 4x
∫₀^∞ e^(-x²) dx = √π / 2
358K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 4 ; 1 10 | = 86
316K