Greek Letters
The symbol used as the summation operator.
What is sigma?
Limits, Derivatives, Integrals
What is Calculus?
The closest integer to pi.
What is 3?
3x2
What is x3+C?
Pie that can be made out of many types, including Granny Smith, Golden Delicious, or Honeycrisp.
What is apple pie?
The symbol used to denote an angle, in plane geometry.
What is theta?
Matrices, Vectors, Bases, Subspaces
Linear Algebra
The second continued fraction of pi, or the approximation of pi popularized by Archimedes.
What is 22/7?
-cos(x)
What is -sin(x)+C?
Pie that was sung by Don McLean in 1971, whose music, a long, long time ago, used to make me smile.
What is American Pie?
The symbol used to generalize an eigenvalue.
What is lambda?
Mean, Expected Value, Variance, Independence
What is Probability or Statistics?
The value of the cosine function at pi, according to the unit circle.
What is -1?
e4x
What is (1/4)e4x+C?
Pie whos filling may include (but is not limited to) tomato sauce, cheese and pepperoni.
What is pizza pie?
The symbol used to denote curvature.
What is kappa?
Fundemental Theorem of Counting, Generating Functions, Inclusion/Exclusion
What is Combinatorics?
What is (4/3)(pi)r3?
3xsin(x)
What is -3xcos(x)+3sin(x)+C?
Pie sung by Warrant in 1990 that tastes so good, it makes a grown man cry.
What is Cherry Pie?
The symbol used to denote the chromatic number of a graph.
What is chi?
Homeomorphisms, Deformations, Schonflies theorem, Knot theory
What is topology?
The 20th digit of pi after the decimal.
What is 6?
3/(x2-x-2)
What is ln(x-2)-ln(x+1)+C?
Pie who advertises itself as a permanent marker, and whose logo is in cursive.
What is a sharpie?