How to get nth square using basic ct-512 citizen calculator

You can find by these two methods with simple calculator:-

Method - 1 following concept of epsilon "e", check below link

/share_files/useful-for-ca-final-calculate-any-value-of-e-i-e-epsilon--49053.asp

just replace your desired value instead of 'e'

Method - 2 following concept of Logaithms - you can calculate log - antilog by simple calculator.

/share_files/find-log-by-using-simple-calculator--38922.asp

/share_files/find-antilog-by-using-simple-calculator-38923.asp