Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:01Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\frac{8}{7} \sum_{i=1}^{n} i^{2}
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 9 4 ; 1 10 | = 86
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
det| 4 2 ; 6 5 | = 8
177K
PV = nRT
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 8 9 ; 4 9 | = 36
11K