How do you change your name on here?

How are we able to create photographs differently than 100 years ago? explain your answer in relation to your photograph you selected.

Which feature of a blog to restore and retrieve older post

Use a while-end loop in a script file to calculate the sum of the first n terms of the series: summation sign on the top n bottom k=1 : )^k * k^2 +5k)/3^k show the script file and the two results of n = 10 and n = 20.