To add the values in B2:B5 in ses-mode I would write

(+ B2 B3 B4 B5)

or

(apply '+ (ses-range B2 B5))

but how can I generate the values in the range C2:C5 from B2:B5?

To add the values in B2:B5 in ses-mode I would write either

(+ B2 B3 B4 B5)

or

(apply '+ (ses-range B2 B5))

but how can I generate the values in the range C2:C5 from B2:B5?