Press PRGRM and select While. Write the letter F. Press 2ND and then MATH (test). Select the ≤ symbol. Write √(N) and hit ENTER.
Press PRGRM and select While. Press MATH. Go to the NUM tab and select fPART. Type >N/F², close the parentheses, and hit ENTER. Press 2ND and then MATH (test). Select = and enter 0 (equal to zero). [2] X Research source
Press PRGRM, select If, and write F. Then, press 2ND and then MATH. Select =, write 2, and hit ENTER.
Press PRGRM. Go to the I/O tab and select Disp. Type C and press ALPHA +, 2ND, x², ALPHA + and write N.