eg: I want to reach 1000 starting from 30. 

script output
-------------

start with 30
Find 1000


ASCENT
130
230
330
430
530
630
730
830
930
1030


DESCENT
1442
1186
1058
994
1026
1010
1002
998
1000


GOT IT...$newScale == $dest --> 1000 == 1000
Total Iteration taken is 21