Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:50Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
\lim_{r\to 0} \frac{\sin r}{r} = 1
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∂x/∂θ = 8x
\lim_{β\to 0} \frac{\sin β}{β} = 1
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det| 7 4 ; 4 8 | = 40
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3φ² + 4φ + 2 = 0
5ω² + 6ω + 0 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\frac{4}{6} \sum_{i=1}^{n} i^{2}
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∫₀^∞ e^(-θ²) dθ = √π / 2
det| 12 1 ; 5 13 | = 151
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