Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:02Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
det| 7 4 ; 4 8 | = 40
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
358K
∫₀^∞ e^(-x²) dx = √π / 2
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K