Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 17:13Z
d/dθ [θ^5] = 5θ^4
det| 7 4 ; 4 8 | = 40
168K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\frac{12}{6} \sum_{i=1}^{n} i^{2}
371K
d/dr [r^4] = 4r^3
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
86K
7α² + 1α + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
234K
det| 12 3 ; 1 13 | = 153
∑_{k=1}^{n} k = n(n+1)/2
218K
\lim_{β\to 0} \frac{\sin β}{β} = 1
∂n/∂β = 5n
AgNO₃ + NaCl → AgCl↓ + NaNO₃