The early days of modern computing were downright weird, and the HP 9830B is a strange one indeed: it’s a gigantic calculator, running BASIC, on a CPU implemented over a dozen cards using discrete ...

Simple interest is a straightforward method of calculating the interest charged on a loan. It applies a fixed interest rate to the principal amount for the entire loan term. Simple interest is ...

The lowly Calculator sits there in your Applications folder. It’s so unassuming you barely notice that it has menus and little interface details that make it not quite so lowly after all. These tips ...

It’s hard to be an iPad user, especially when a discussion breaks out in my friend’s group about the calculator app. Aside from the powerful hardware, Apple Pencil support, seamless integration with ...

Everybody needs a calculator. Because of this, there have been many calculators through the years, and they’re actually pretty easy to find. Most people use them to figure out stuff like how much to ...

Money borrowed from commercial banks comes at a cost. This extra amount of money that a borrower has to pay back is known as interest, and the original sum is called principal. And the rate at which a ...