Pi

Description

Multiplies pi by a specified number.

Syntax

Pi ( n )

Argument

Description

n

The number you want to multiply by pi (3.14159265358979323...)

Returns

Double. Returns the result of multiplying n by pi if it succeeds and -1 if an error occurs.

Usage

Use Pi to convert angles to and from radians.

Examples

Example 1

This expression returns pi:

Pi(1)

Example 2

Both these expressions return the area of a circle with the radius Rad:

Pi(1) * Rad^2
Pi(Rad^2)

Example 3

This expression computes the cosine of a 45-degree angle:

Cos(45.0 * (Pi(2)/360))

See also