Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
\frac{11}{4} \sum_{i=1}^{n} i^{2}
289K
d/dr [r^12] = 12r^11
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
det| 5 3 ; 2 6 | = 24
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
det| 5 5 ; 3 6 | = 15
387K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
144K
∑_{k=1}^{n} k = n(n+1)/2
346K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
256K