特拉亨伯格基础数学速算体系
The Trachtenberg speed system of basic mathematics
Ann Cutler · 初版 1960 年
3人推荐
5位读者提及
5次提及
使用 The Trachtenberg Speed System 在脑海中进行高速、复杂的算术。是否曾发现自己在核对账单或工资单时十分吃力？有了 The Trachtenberg Speed System，一切迎刃而解。Trachtenberg 体系被称为“数学的速记法”，只需要有一到十一的心算计数能力。通过使用一系列简化的诀窍，任何人都能掌握运算，带来更快的速度、更轻松的数字处理能力以及更高的准确率。Jakow Trachtenberg 坚信每个人天生都具备非凡的计算能力。他制定了一套规则，让每个……
Hacker News 上怎么说
正在加载完整评论……
Greg，是你向我推荐的《头号玩家》（Ready Player One）吗？看来我早就听了某神秘人士的安利在 Kindle 上买好了，现在我最好赶紧读掉！分享一本我读过的冷门神作：《特拉赫滕贝格极速基础数学系统》（The Trachtenberg Speed System of Basic Mathematics）。我 11 岁时在斯科茨代尔图书馆借过这本书。那时我已经学完了所有乘除法和基础四则运算的标准算法，但就像大多数小孩子一样，我当时以为那就只有……
Greg, was it you who recommended Ready Player One to me? Looks like I already bought it on my Kindle on $MYSTERYPERSON's recommendation, so now I'd better read it! Here's an odd one of mine: The Trachtenberg Speed System of Basic Mathematics I checked this out from the Scottsdale library when I was 11. I'd learned all the usual algorithms to multiply and divide and do basic arithmetic, but like most kids, I assumed that those were the only…
为《特拉赫滕贝格极速基础数学系统》（The Trachtenberg Speed System of Basic Mathematics）点赞（+1）。我记得几十年前学过那个系统，一直悔恨自己当年把那本书借了出去。再也没收回来，打那以后不管是谁我都绝不再借出任何珍贵的书了。好笑的是，后来……
+1 for The Trachtenberg Speed System of Basic Mathematics. I remember learning that system decades ago, and have always kicked myself for lending my copy of the book. I never got it back, and have stopped lending any books I value no matter who. Funnily, after…
……[1]（顺带一提，这本书现在早该进入公有领域了吧）[1] https://math.ucr.edu/~res/math138A-2012/polya.pdf 还有其他一些训练大家速算能力的图书，比如：* 《特拉赫滕贝格极速基础数学系统》（The Trachtenberg Speed System of Basic Mathematics）https://www.abebooks.com/products/isbn/9780285629165/3011837... * 《速算秘诀》（Secrets of Mental Math）https://www.abebooks.com/products/isbn/9780307338402 我在《美国数学……》上发现了这篇很赞的出版物……
…[1] (aside, this book should be in the public domain by now) [1] https://math.ucr.edu/~res/math138A-2012/polya.pdf There are other books that train folks on how to do mental mathematics like * The Trachtenberg Speed System of Basic Mathematics https://www.abebooks.com/products/isbn/9780285629165/3011837... * Secrets of Mental Math https://www.abebooks.com/products/isbn/9780307338402 I found this neat publication from the American Mathematical…
……将“吠陀”知识作为反殖民项目的一部分。其实现在看来，它对上划线（vinculum）的用法略有不同，例如用 31̅ 来表示 29 而不是 39。那一类型的另一本书是《特拉赫滕贝格极速基础数学系统》（The Trachtenberg Speed System Of Basic Mathematics），不过它的步子没迈得那么大。）
…"Vedic" knowledge as part of an anti-colonialist project. Actually looking at it now, it uses the vinculum slightly differently, e.g. uses 31̅ to mean 29 rather than 39. Another book in that genre is The Trachtenberg Speed System Of Basic Mathematics though it doesn't go as far.)
……https://www.youtube.com/watch?v=37meAwQqPsE 后面说她用的是特拉赫滕贝格系统（Trachtenberg system）：https://en.wikipedia.org/wiki/Trachtenberg_system 这种开平方的方法似乎在《特拉赫滕贝格极速基础数学系统》（The Trachtenberg speed system of basic mathematics）一书中有讲解，文本可以在 archive.org 上找到：https://archive.org/stream/TheTrachtenbergSpeedSystemOfBasic...（搜索“square root”）。
…https://www.youtube.com/watch?v=37meAwQqPsE Later, it is said she is using the Trachtenberg system: https://en.wikipedia.org/wiki/Trachtenberg_system The square root method seems to be described in the book "The Trachtenberg speed system of basic mathematics", the text is available on archive.org: https://archive.org/stream/TheTrachtenbergSpeedSystemOfBasic... (search for "square root").