where is the shift in the calculator ?
Top Left.
https://media.officedepot.com/image/upload/b_rgb:FFFFFF,c_pad,dpr_1.0,f_auto,h_1665,q_auto,w_1250/c_pad,h_1665,w_1250/v1/products/369979/369979_o51?pgw=1&pgwact=1