![Hands-on Start to Wolfram|Alpha Notebook Edition: Cliff Hastings, Kelvin Mischo: 9781579550394: Amazon.com: Books Hands-on Start to Wolfram|Alpha Notebook Edition: Cliff Hastings, Kelvin Mischo: 9781579550394: Amazon.com: Books](https://m.media-amazon.com/images/I/51vytpe3tnL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA13%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Hands-on Start to Wolfram|Alpha Notebook Edition: Cliff Hastings, Kelvin Mischo: 9781579550394: Amazon.com: Books
Wolfram|Alpha - Happy Pi Day! Check out the the parametric equation required to make the Pi Curve and some other Pi fun facts: http://wolfr.am/13XYceD | Facebook
![Wolfram alpha gives two different answers for $\int^{\infty}_{-\infty} x \frac{1}{\pi} e^{-(\ln(x) - 0.3)^2} | \frac{1}{x}|dx$ - Mathematics Stack Exchange Wolfram alpha gives two different answers for $\int^{\infty}_{-\infty} x \frac{1}{\pi} e^{-(\ln(x) - 0.3)^2} | \frac{1}{x}|dx$ - Mathematics Stack Exchange](https://i.stack.imgur.com/eNSmh.png)