Example image of eyePlorer eyePlorer map for 'Mathematical notation': Symbolism Economics Engineering Mathematics Physical science 1 (number) 2 (number) Addition Coxeter–Dynkin diagram Derivative Equation Function (mathematics) Limit Penrose graphical notation Trigonometric functions Variable (mathematics) Formal language Writing system Expression (mathematics) Symbol History of mathematics Mathematics as a language Argument Cogency Mathematical logic Model theory Topic-comment Order of operations Compiler Programming language Computer science Eager evaluation Eval Lazy evaluation Proposition Sequence Scientific modelling Deductive reasoning Heuristic Semantics Intensional definition Table of mathematical symbols Counting Finger counting Tally stick Sumer Ishango bone Quipu Tally marks Arabic numerals