Money Digest on MSN
The Retirement Savings Rule That Only Requires One Simple Calculation
Many savers spend years juggling calculators and advice, yet a single formula could reveal whether your nest egg is on track for the future.
YouTube on MSN
Epic Bicycle Formula 0.5 + 0.5 = 0.33 + 0.33 + 0.33
Get ready for some mind-bending bicycle math experiments! Can the equation 0.5 + 0.5 equal 0.33 + 0.33 + 0.33 on a bike?
NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.
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