Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 17:14Z
d/dθ [θ^5] = 5θ^4
Fe₂O₃ + 3CO → 2Fe + 3CO₂
446K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
d/dr [r^4] = 4r^3
7α² + 1α + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
224K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
234K
det| 12 3 ; 1 13 | = 153
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
∂n/∂β = 5n
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 5 ; 2 6 | = 20
det| 11 7 ; 0 12 | = 132