The longevity of Jobs’s ten-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

More than four million borrowers could potentially benefit from locking in a lower rate. Here’s what to consider.

I created a rudimentary calculator using only marbles. Watch as I demonstrate its functionality and explore the concept.

A new blood pressure calculator built on extensive clinical trial data helps doctors accurately estimate how much each medication will reduce blood pressure. The tool simplifies complex treatment ...