This lesson uses models to convert mixed numbers to improper fractions. This lesson uses models to convert mixed numbers to improper fractions.

When I need a quick calculation, I fire up the Mac calculator, get it done, and don’t think about it much. But for complex calculations such as currency conversations or splitting bills, I reach for a ...

Converting between kilometers and miles becomes effortless with these mental math tricks. Learn to quickly estimate distances for everyday scenarios, from understanding international content to ...

Greeting, fellows !<BR><BR>For a uni homework, I have to convert a very large 20-digits hexadecimal number to decimal base. I just did the problem (ouf!), and now I would like to validate the result ...