Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:10Z
\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
∑_{k=1}^{n} k = n(n+1)/2
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
CH₄ + 2O₂ → CO₂ + 2H₂O
358K
det| 9 6 ; 0 10 | = 90
399K
∫₀^∞ e^(-t²) dt = √π / 2
316K