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 ...

It was one of many very similar basic calculators on the market at the time, but at the equivalent of over 100 dollars in today’s money it would still have been a significant purchase.

In our daily lives, calculations are unavoidable—whether it’s managing personal expenses, solving math problems, or tracking ...

Our mortgage calculator helps, by showing what you'll pay each month, as well as the total cost over the lifetime of the mortgage, depending on the deal - you just need to input some basic info, such ...

You can use our simple mortgage calculator to see how much you can borrow to achieve this monthly payment.

Use our basic investment calculator to estimate how your investment could grow over time. How this investment calculator works The calculator provides an estimate of how your investment will grow ...

What Is a Simple Loan? Most people borrow money at ... Budgeting for an expense that requires a loan works best if you start with a calculator. Before you make any purchase that involves taking ...