Σ index
Eq pack 19
Rxn set 20
Rxn set 26
Σ#24
Σ#12
Ledger /21
Eq pack 13
Ledger /3
Eq pack 1
Batch 16
Σ#18
Σ#6
Ledger /15
Batch 4
Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:07Z
∑_{k=1}^{n} k = n(n+1)/2
ops_1645.csv
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
168K
spec_5718.mol
d/dφ [φ^1] = 1φ^0
446K
3x² + 3x + 6 = 0
ops_4837.tex
∫₀^∞ e^(-ω²) dω = √π / 2
144K
spec_9435.json
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
371K
∇²t = 0
mat_2540.eqn
F = G m₁m₂ / r²
259K
ops_3351.mol
iħ ∂ψ/∂t = Ĥψ
86K
7z² + 2z + 0 = 0
mat_7021.tex
N₂ + 3H₂ ⇌ 2NH₃
224K
spec_3409.mol
det| 12 2 ; 2 13 | = 152
234K
det| 4 2 ; 5 5 | = 10
eq_0226.json
det| 9 6 ; 0 10 | = 90
218K
ops_0514.csv
\binom{n}{k} = \frac{n!}{k!(n-k)!}
354K
rxn_0414.log
det| 9 4 ; 1 10 | = 86
70K
[
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
]