User:Duoduoduo morphed into this user in the summer of 2014.

I created the following articles as User:Loraof:

- Orthocentroidal circle
- Initial condition
- Acute and obtuse triangles
- Extended side
- List of triangle inequalities
- Tangential triangle
- Polar circle (geometry)
- Cramer's theorem (algebraic curves)
- Consistent and inconsistent equations
- List of sums of reciprocals
- Optic equation
- Continuous and discrete variables
- List of self-intersecting polygons
- Linear difference equation
- Heptagonal triangle

At at least one point I had contributed the majority of the content to these articles (as User:Loraof, or sometimes as IP 208.50.124.65, 204.11.158.204, etc.):

- Trilinear coordinates
- Independent equation
- Two-dimensional graph
- Three-dimensional graph
- Euler line
- Midpoint
- Corresponding sides and corresponding angles
- Cevian
- Number line
- Equating coefficients
- Trigonometric number
- Definite quadratic form
- Coefficient matrix

- Inside lag
- Outside lag
- Expansion path
- Disequilibrium (economics)
- Marginal factor cost
- Discretionary policy
- Transfer payments multiplier
- Keynes effect
- Currency appreciation and depreciation
- Cross-sectional regression
- Economic stability