Global

Members

(constant) PI :number

Constant value representing π (pi).
Type:
  • number
Source:
Example
console.log(PI); // 3.14

Methods

average(nums) → {number}

Calculates the average of all elements in a numeric array.
Parameters:
Name Type Description
nums Array.<number> An array of numbers.
Source:
Throws:
If the input array is empty or contains non-numeric values.
Type
ErrorInvalidArgument
Returns:
The average (mean) of the array elements.
Type
number
Example
average([1, 2, 3]); // returns 2

median(arr) → {number}

Calculates the median value from a numeric array. Median is the middle value in an ordered list.
Parameters:
Name Type Description
arr Array.<number> An array of numbers.
Source:
Throws:
If the input is not a valid non-empty numeric array.
Type
ErrorInvalidArgument
Returns:
The median value of the array.
Type
number
Example
median([1, 2, 3]); // returns 2
median([1, 2, 3, 4]); // returns 2.5

sum(arr) → {number}

Calculates the sum of all elements in a numeric array.
Parameters:
Name Type Description
arr Array.<number> An array of numbers to sum.
Source:
Returns:
The total sum of all elements in the array.
Type
number
Example
sum([1, 2, 3]); // returns 6