Texas Instruments TI-Nspire CX User Manual page 51

On the calculator page type [35,43,27:43,25,10]→a
The comma is to the left of the "o"
Choose semi-colon
[ctrl] and "(" will give
you the [ ] brackets
The semi-colon is activated by the
"?| "button which produces a
number of special symbols
";"
Choose
TI-Inspire manual 48