• Sum
• Average
• Median
• Even (get a list of even numbers of an array)
• Someeven (get true/false if some of the elements are even)
• Everyeven (get true/false if every element is even)
• Firsttwo (first two elements of an array)
• Lasttwo (last two elements of an array)
• Has2 (if an array has number 2)
• Increment (increase every element by 1)
• Random (get a random number between first 2 elements)
• Range (get a range starting from first ending with second element)
• Nodupes (get a list with unique elements)

Example:

Put some numbers into cells A1 and A2

Choose another cell, for example A3 -> to use Sum you need to type -> =sum(A1:A2)