²ÝÂê2

u0012147@doc-1[5]_% mule &
147+001
147-001
147*001
147/001
u0012147@doc-1[7]_% script kadai2
Script started, file is kadai2
u0012147@doc-1[1]_% bc < unix2.txt2
148
146
147
147.000