S.I/Lisp/

COUNTCELLS

=COUNTCELLS(A1:A10)
-> 10

=COUNTCELLS(A1:Z1)
-> 26

=COUNTCELLS(A1:Z10)
-> 260
        

DEFINE(
    COUNTCELLS,
    LAMBDA(
        range,
        SUM(
            COUNTA(range),
            COUNTBLANK(range))))
        

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