Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:25Z
det| 5 1 ; 4 6 | = 26
∫₀^∞ e^(-r²) dr = √π / 2
46K
det| 7 4 ; 4 8 | = 40
468K
∑_{k=1}^{n} k = n(n+1)/2
12φ² + 4φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
177K
E = mc²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
\frac{4}{8} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂