Element - ∑ - Summate

Characters: ∑

Description

Returns the sum of the top of the stack (reduce by addition)

Overloads

• num - sum(digits of a)
• str - a
• lst - sum(a)

Examples

• ⟨1|2|3|4|5⟩ ∑ = 15
• ⟨`abc`|`def`|10⟩ ∑ = `abcdef10`
• 12345 ∑ = 15
• -12345 ∑ = -15
• `id` ∑ = `id`
• 1.414213562 ∑ = 29