## calc-grab-sum-down

**calc-grab-sum-down**is an interactive compiled Lisp function in `

`calc.el`

'.(calc-grab-sum-down

__TOP__

__BOT__

__ARG__)

Parse a rectangle as a matrix of numbers and sum its columns.

`calc.el`

'.(calc-grab-sum-down

Parse a rectangle as a matrix of numbers and sum its columns.