integral of tanx wolfram alpha

果然是最強的收銀員

7月 22, 2013

葉迎蓮

kuso

Wolfram|Alpha: Computational Knowledge Engine大家應該都看過很多大賣場都有設"X件物品以下"的結帳台是為了給只買幾樣東西的顧客比較快速的結帳時間那天在某家大賣場因為只買了兩三件東西所以我就往那家店設的"5件物品以下"的結帳台走去就在準備排進去的時候一個男的推著一台購物車搶先我一步我看看那台購物車媽的...裡面堆了三分之一車的東西你是看不懂收銀機Wolfram|Alpha is more than a search engine. It gives you access to the world's facts and data and calculates answers across a range of topics, including science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music....

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笑話一籮筐-----把小鳥交出來~~

7月 22, 2013

陳巧芹

kuso

Step-by-Step Math—Wolfram|Alpha Blog笑話一籮筐-----把小鳥交出來~~今晚 小阿姨全家來到我家作客...媽媽特地煮了好多家常菜...媽媽的姐妹中就屬她倆最親近了，小阿姨有一個小男孩，今年剛就讀小一... 滿口的童言童語，真的是非常可愛... 可是今晚他的心情好像不是很美麗，在餐桌上苦著一張臉.. " 佑WOW. I have never seen anything quite like it before. Solving maths problems in a search engine that even show steps and people thought google was the best, not anymore. I tried tanx/x without limits and as x approaches 0 and result BING. I am just so ......

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熊有幾種？

7月 22, 2013

劉秋曼

kuso

Numerical solution to x = tan (x) - Mathematics Stack Exchange有一天....老師問同學問題...老師:「沒有尾巴的熊是什麼熊？」同學:「無尾熊。」老師:「沒有脖子的熊是什麼熊？」同學:「吳伯雄。」老師:「睡眠不足的熊？」同學:「貓熊。」老師:「都是為你的熊是什麼熊？」同學:「嗯~~~~維尼熊。老師:「那住在瘋人院的熊是什麼熊？」同學:「嗯...........I needed to find, using the bisection method, the first positive value that satisfy $x = \tan(x)$. So I went to Scilab, I wrote the bisection method and I got $1.5707903$. But after ......

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爸爸上輩子的情人

7月 22, 2013

郭靖萍

kuso

Intro to arctangent | The inverse trigonometric functions | Khan Academy在飛機上，我跟一對父女坐同一排。小女孩她爸，看得出約三十歲左右。小女孩，長得挺聰明可愛的，大概是小學一二年級。空姐發食物了，小女孩兒一拿到，非常高興的打開吃，想必是餓壞了。父親：「你謝謝阿姨沒？」小女孩， 很可愛的說：「謝謝阿姨」父親：「跟阿姨說，阿姨你真漂亮。」小女孩這時語氣變了：「阿姨，我爸說你Sal introduces arctangent, which is the inverse function of tangent, and discusses its principal range. ... You will not always be required to answer in radians. Whether you answer in radians or degrees depends on what is asked of you. Neither one is bett...

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外國口音的困擾

7月 22, 2013

王采安

kuso

Limits at positive and negative infinity | Limits and infinity | Khan Academy有一天我騎著機車在等紅綠燈突然後面傳來一個外國口音:嘿!小龜頭!你性交了嗎?我聽了嚇一跳!對他說:你幹嘛?大庭廣眾之下居然說這種話...於是他就轉向另一個人說的還是:嘿!小龜頭!你性交了嗎?後來綠燈亮了我就騎走...之後聽我朋友說他是一個傳教士而他說的是:嘿!小鬼頭!你信教了嗎?When taking a limit at infinity, you can either go right to positive infinity or left to negative infinity. ... There is nothing wrong with your thinking. The lim x->-∞ = +2/3 Here is a more mathematical way of thinking about these limits. If you multiply...

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男人的變化

7月 22, 2013

黃友陽

kuso

Chris Dyer's cluster viewer - Carnegie Mellon School of Computer Science愛的宣言六星期後：我愛你！我愛你！我愛你！六個月後：當然，我愛你。六年後：天哪！如果我不愛你，我幹嘛向你求婚？下班後六星期後：親愛的，我到家了。六個月後：我回來了。六年後：你煮好了沒？電話響起六星期後：寶貝，有人找你。六個月後：哪，找你的。六年後：聽電話！！！廚藝六星期後：我從來都不知道食物是那麼的From 56 million English tweets (837 million tokens), 1000 hierarchical clusters over 217 thousand words. More information here. To see examples of usage, try Twitter Search, Bing Social Search, specialized resources like Urban Dictionary, etc....

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