Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:35Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{6} \sum_{i=1}^{n} i^{2}
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
289K
∂x/∂θ = 8x
∑_{k=1}^{n} k = n(n+1)/2
339K
\lim_{t\to 0} \frac{\sin t}{t} = 1
177K
3φ² + 4φ + 2 = 0
det| 3 1 ; 7 4 | = 5
121K
det| 7 2 ; 7 8 | = 42
316K
det| 7 4 ; 4 8 | = 40
11K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
387K