Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 7 3 ; 6 8 | = 38
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 8 8 ; 6 9 | = 24
339K
d/dn [n^12] = 12n^11
177K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 11 7 ; 6 12 | = 90
144K
CH₄ + 2O₂ → CO₂ + 2H₂O
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
∑_{k=1}^{n} k = n(n+1)/2
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
348K