Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:58Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-r²) dr = √π / 2
46K
det| 7 4 ; 4 8 | = 40
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 9 6 ; 0 10 | = 90
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
∂x/∂θ = 8x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
177K
3φ² + 4φ + 2 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
358K
det| 3 6 ; 0 4 | = 12
121K
5ω² + 6ω + 0 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
316K
∫₀^∞ e^(-θ²) dθ = √π / 2
e^{i\pi} + 1 = 0