Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:06Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
468K
CaCO₃ → CaO + CO₂
det| 11 5 ; 0 12 | = 132
278K
e^{i\pi} + 1 = 0
det| 10 7 ; 3 11 | = 89
339K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
177K
∂x/∂r = 4x
det| 4 2 ; 6 5 | = 8
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K
∑_{k=1}^{n} k = n(n+1)/2
316K