8 Results for

math%3A decimals subtraction free

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Khan Academy for iPad adds 150,000 exercises

Now available: the entire library of Khan Academy videos, complete with Common Core exercises and instant feedback.

By January 23, 2015

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Use your phone's camera to solve equations with PhotoMath

With PhotoMath, you can use your phone to scan an equation and immediately receive the answer.

By October 28, 2014

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How do you type 'goal' in Spanish? Can you say 'repetitive stress injury'?

Facebook's data team reports that World Cup watching users are having quite the O-gasms when they post news of goals.

By July 2, 2014

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How to read and listen to music, Facebook share on a Kindle

The Kindle is far more capable than Amazon lets on. Here's 10 little-known features to make your ebook experience even more rewarding.

By April 13, 2012

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Circle up, math geeks! It's Pi Day

March 14 is a day to honor one of our most beloved decimals--with jewelery, revelry, and, of course, pie. How will you celebrate?

By March 14, 2011

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My latest puzzle love: KenKen

Sayonara, Sudoku. For a better-rounded puzzle that includes not just logic, but math, too, try KenKen. It's probably even good for you.

By January 12, 2009

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Binary? Decimal? Excel 2007 finds it all so confusing

Excel 2007 has troubles with multiplication when the result is 65,535--a number familiar to those who've dealt with binary numbers.

By September 25, 2007

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Ubuntu pride--on the basketball court

If the Boston Celtics can now be associated with Linux, what team might want to claim Windows as its inspiration? Hmm...

By October 5, 2007