Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 19:44Z
\frac{4}{2} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
446K
d/dt [t^8] = 8t^7
\binom{n}{k} = \frac{n!}{k!(n-k)!}
371K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
d/dω [ω^1] = 1ω^0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
224K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
234K
∫₀^∞ e^(-β²) dβ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 9 4 ; 1 10 | = 86
70K