(1) + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n)
Series: (1*1) + (2*2) + (3*3) + (4*4) + (5*5) + ... + (n*n)
Merge Two Arrays
Write to Text File
Count Characters of Files
File to Upper Case Using Command Line Arguments
File Copy Using Command Line Arguments