ExponentFunction is an option for NumberForm and related functions that determines the exponent to use in printing approximate real numbers.
ScientificForm[expr] prints with all real numbers in expr given in scientific notation. ScientificForm[expr, n] prints with numbers given to n-digit precision.
PrimeNu
(Built-in Mathematica Symbol) PrimeNu[n] gives the number of distinct primes \[Nu](n) in n.
Automatic Numbering creates an automatic numbering object, or counter, in the current notebook.
EngineeringForm[expr] prints with all real numbers in expr given in engineering notation. EngineeringForm[expr, n] prints with numbers given to n-digit precision.
AccountingForm[expr] prints with all numbers in expr given in standard accounting notation. AccountingForm[expr, n] prints with numbers given to n-digit precision.
TotalWidth is an option which can be set for output streams to specify the maximum total number of characters of text that should be printed for each output expression. Short ...
InputField[] represents a blank editable input field. InputField[x] represents an editable input field that currently contains the expression x. InputField[Dynamic[x]] takes ...
Negative[x] gives True if x is a negative number.
Count
(Built-in Mathematica Symbol) Count[list, pattern] gives the number of elements in list that match pattern. Count[expr, pattern, levelspec] gives the total number of subexpressions matching pattern that ...