This work brings natural numbers from 0 to 10.000 written in two different forms. Increasing and decreasing orders of 1 to 9 and 9 to 1. This is done using square function along with basic operations. Previously, the author also worked with numbers up to 300.000 using only basic operations along with square-root, factorial, etc. For more details refer author's work in reference list. Similar kind of work is given with Triangular numbers and Fibonacci sequence values. This kind of work using square function is never seen before.