Positive (Built-in Mathematica Symbol)

Positive[x] gives True if x is a positive number.

Compute a Limit (Mathematica How To)

Even simple-looking limits are sometimes quite complicated to compute. Mathematica provides functionality to evaluate several kinds of limits.

Booleans (Built-in Mathematica Symbol)

Booleans represents the domain of Booleans, as in x \[Element] Booleans.

Reals (Built-in Mathematica Symbol)

Reals represents the domain of real numbers, as in x \[Element] Reals.

Rationals (Built-in Mathematica Symbol)

Rationals represents the domain of rational numbers, as in x \[Element] Rationals.

Algebraic Calculations (Mathematica Overview)

Symbolic Computation Values for Symbols Transforming Algebraic Expressions

Primes (Built-in Mathematica Symbol)

Primes represents the domain of prime numbers, as in x \[Element] Primes.

Algebraics (Built-in Mathematica Symbol)

Algebraics represents the domain of algebraic numbers, as in x \[Element] Algebraics.

Integers (Built-in Mathematica Symbol)

Integers represents the domain of integers, as in x \[Element] Integers.

Special Functions (Mathematica Guide)

Two decades of intense R&D at Wolfram Research have given Mathematica by far the world's broadest and deepest coverage of special functions—and greatly expanded the whole ...