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

• Substitution effect
• Intertemporal budget constraint
• Exogenous and endogenous variables

• Tie goes to the runner

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

• Causal research

• Takedown (grappling)
• Pin (amateur wrestling)
• Covering a base

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