• ← Indeterminate
• → Khinchin

Infinity

Infinity (SymPy, WMA)

Infinity

a symbol that represents an infinite real quantity.

Infinity sometimes appears as the result of a calculation:

• • Precision[1]

But Infinity it often used as a value in expressions:

• • 1 / Infinity

• • Infinity + 100

Infinity often appears in sum and limit calculations:

• • Sum[1/x^2, {x, 1, Infinity}]

  • $$\frac{{\pi }^2}{6}$$

• • Limit[1/x, x->0]

However, Infinity a shorthand for DirectedInfinity[1]:

• • FullForm[Infinity]

See also DirectedInfinity.