The Math World initially appears to be a featureless black void save for The Second Coming and a single number 1. Over the course of Animation vs. Math, however, a variety of objects and sub-locations are revealed as The Second Coming experiments with equations and expressions.
Its primary feature is how numbers and equations become interactive in the world, with The Second Coming being able to physically move symbols and characters around to create new expressions, and the equation automatically correcting its results to match his expressions.
However, its features and abilities reach far beyond simple equations. Using a point, The Second Coming gained access to the Complex Plane and polar functions, then used a circle to produce trigonometric functions such as sine and cosine. Euler's identity, meanwhile, often used the imaginary number i to escape The Second Coming into the perpendicular world of imaginary numbers.
The Geometry World is a part of the world of mathematics (since geometry is one of the fields of mathematics), and various points, lines, planes, and shapes exist. Unlike the world of mathematics, it has no surface/ground and can only be created using points and lines.
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The Second Coming's final use of the =ƒ(∞) object in an attempt to kill Euler's identity.
The resulting massive beam from The Second Coming's attack.
The world of imaginary numbers, a dimension perpendicular to the real world.
Zeta, Phi, Delta, Aleph, and Euler's identity in Math World.