7 columns * 8 rows = 56 units
Array
It is a matrix or a determinant.
?
A matrix having the same number of rows and columns is a SQUARE MATRIX.
table or array
Maybe 18 is the aweser
It is standard practice in a spreadsheet to number the rows and have letters identifying the columns.
Rows go across and columns go up and down.
This is a square matrix where the number of rows and the number of columns are equal.
No. They are orthogonal.
Rows are horizontal cells identified by a number. Columns are vertical cells identified by a letter.