A prototype<span> is an early sample, model, or release of a product built to test a </span>concept<span> or process or to act as a thing to be replicated or learned from. It is a term used in a variety of contexts, including semantics, design, electronics, and software programming.</span>
For bad software, probably a virus/malware/ransomware kind of thing. If it is good software, probably a program that organizes your files, adjusts certain things, but do not record your files (no programs are at the top of my head, sorry).
10,700+5000+1600=17,300
24,500-17,300=7,200
7,200/10=
$720.00 will need to be saved every month.
You have to use control + s only. but if you want to save it in different format, use control + shift + S