A string in a cell which evaluates to a (floating point)
numeric result. The
simplest expression is a number; more complicated expressions
can be entered in Scheme syntax.
The Scheme used in Siag has a few extensions to make it more
useful in a spreadsheet. These new functions have been added:
- (row) Returns the row number of the
cell which is being computed.
- (col) Returns the column number of
the cell which is being computed.
- (get-cell row col) Returns
the contents of the cell with the given
- (sum start end) Returns the sum
of all the cells in the rectangle between start