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

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just ...

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

And why letting people come up with their own ideas, and actually try those ideas, is almost always the best approach.

Apple co-founder Steve Jobs was infamous for his harsh critiques of the work of his team. Hardware or software, ...

The first harvest in Galana Kulalu is a testament to the government's commitment to transform the agricultural sector, ...

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

A good budget helps you reach your spending and savings goals. Work out your proposed household budget by inputting your sources of income and projected expenses into Kiplinger's worksheet below. You ...

Starting at age 73, 401(k) holders must take minimum yearly withdrawals or face a 25% IRS penalty. Switching to a Roth 401(k) or Roth IRA avoids required minimum distributions and future withdrawal ...

Zaw Thiha Tun is currently an investment advisor for PI Financial Corp. He is also a financial writer on a wide variety of topics. Vikki Velasquez is a researcher and writer who has managed, ...

Move over, Calculator. The Messages app can tackle advanced calculations and even convert numbers to different formats.