In a testament to the power of intuitive design, Steve Jobs, the iconic co-founder of Apple, sketched the original Macintosh ...

The longevity of Jobs’ 10-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

• Engineering-calculation software such as Mathcad simultaneously performs and documents calculations using standard math notation. • Useful capabilities include support for matrices, differential ...

In 1982, a 21-year-old Chris Espinosa faced a familiar challenge in software design: satisfying Steve Jobs’ exacting eye.