ses-create-cell-variable
ses-create-cell-variable is a compiled Lisp function in `ses.el
'.
(ses-create-cell-variable SYM ROW COL)
Create a buffer-local variable `SYM' for cell at position (ROW, COL).
SYM is the symbol for that variable, ROW and COL are integers for
row and column of the cell, with numbering starting from 0.
Return nil in case of failure.