6 Awesome Math Tricks That Will Make Your Life So Much Easier (Very useful for investors)

Business Insider ^ | 12/06/2011 | Eric Platt

[bvw]

Simpler:

 1  1         1 
 2  11        121
 3  111       12321
 4  1111      1234321
 5  11111     123454321
 6  111111    12345654321
 7  1111111   1234567654321
 8  11111111  123456787654321
 9  111111111 12345678987654321

The simple rule: How many times to hit the 1 key before hitting the x² key.

Or on most calculators: How many times to hit the 1 key before hitting the times key then the equals key.

When calculators first came out this was a quality test. Still is.

[Logic n' Reason]

ping for later

[bvw]

Not that it matters much, but here:

 1  1         1 
 2  11        121
 3  111       12321
 4  1111      1234321
 5  11111     123454321
 6  111111    12345654321
 7  1111111   1234567654321
 8  11111111  123456787654321
 9  111111111 12345678987654321

[Logic n' Reason]

Law of Decreasing Marginal Utility for Money!

When the perceived joy in gaining money is far exceeded by the perceived sorrow in losing it!

[gitmo]

Now that is handy.

[muir_redwoods]

It’s handy but darned hard to explain in print

[gitmo]

Keeping track of leap years will be the hardest part.

[gitmo]

The 1-2-3 hint took me a couple minutes to decipher. But the rest came easily.

[STJPII]

Ping

[jdsteel]

How offen? Your math skills are great, but your typing skills are weak! ; )

[jdsteel]

How offen? Your math skills are great, but your typing skills are weak! ; )

[Texas Songwriter]

save

[jdsteel]

Oh, I know, I know! When the yield curve crushes the bond market the investors will be mad no matter what the coupon is!!! ; )

[Conservative4Life]

more tricks for the kids (Homeschooling is awesome)

[Lonesome in Massachussets]

How offen? Your math skills are great, but your typing skills are weak! ; )

You can say that again ;) Actually, I was spelling phonetically as I typed. I noticed it, at least after I typed it.