Example image of eyePlorer eyePlorer map for 'Unary operation': Mathematics Operand Factorial Polish notation Reverse Polish notation Square root Absolute value Exponentiation Real number APL (programming language) Common logarithm Endomorphism Function (mathematics) Integer Natural logarithm Negation Negative and non-negative numbers Programming language Set (mathematics) Trigonometric functions Truth value C (programming language) Type conversion C99 For loop Bash Sigil (computer programming) Dereference operator Derivative algebra (abstract algebra) Differential algebra Generalized selection Kleene star Monadic predicate calculus MV-algebra Projection (relational algebra) Rename (relational algebra) Robbins algebra Selection (relational algebra) Sizeof Container (Type theory) Monadic Boolean algebra Operation (mathematics) Unary function Groupoid Bitwise operation Idempotence Interior algebra Two-element Boolean algebra Wheel theory Number