Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 20:22Z
d/dω [ω^4] = 4ω^3
∑_{k=1}^{n} k = n(n+1)/2
384K
8z² + 6z + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
163K
∂ψ/∂r = 2ψ
det| 9 4 ; 1 10 | = 86
305K
det| 2 7 ; 7 3 | = -43
57K
det| 2 2 ; 5 3 | = -4
det| 3 6 ; 0 4 | = 12
293K
det| 5 6 ; 1 6 | = 24
∑_{k=1}^{n} k = n(n+1)/2
300K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
2H₂ + O₂ → 2H₂O
det| 7 2 ; 6 8 | = 44
\lim_{z\to 0} \frac{\sin z}{z} = 1