N

N(expr)

gives the numerical value of expr.

N(expr, precision)

evaluates expr numerically with a precision of prec digits.

Note: the upper case identifier N is different from the lower case identifier n.

Examples

>> N(Pi)
3.141592653589793

>> N(Pi, 50)
3.1415926535897932384626433832795028841971693993751

>> N(1/7)
0.14285714285714285

>> N(1/7, 5)
1.4285714285714285714e-1

Related terms

EvalF

Implementation status

• ✅ - full supported

Github

• Implementation of N