Question

I want to learn math from basics the Indian way and am looking for a book to guide me and some workbooks to practice. Any recommendations?

score 2.4k · Answer 1 · 2017-11-14 11:41:39

2.4k

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I want to learn math from basics the Indian way and am looking for a book to guide me and some workbooks to practice. Any recommendations?

Published on 14 Nov 2017 - 11:41

score 410 · Answer 2 · 2017-12-03 19:02:35

410

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How can I best mentally calculate the total sum of a sequence of linear increases?

Published on 03 Dec 2017 - 19:02

score 601 · Answer 3 · 2017-12-20 14:41:30

601

Views

Without using a calculator how to solve $x^x = 100$?

Published on 20 Dec 2017 - 14:41

score 211 · Answer 4 · 2017-12-20 15:44:38

211

Views

What is the method for mentally computing $3^{3.5}$ and similar calculations?

Published on 20 Dec 2017 - 15:44

score 381 · Answer 5 · 2017-12-21 21:23:04

381

Views

Why is it so good to know that $(1+x)^n \approx 1+nx$ for $nx \ll 1$?

Published on 21 Dec 2017 - 21:23

score 3.1k · Answer 6 · 2011-07-31 19:09:08

3.1k

Views

Books, sites, guides about mental arithmetic by hand and tricks?

Published on 31 Jul 2011 - 19:09

score 2.5k · Answer 7 · 2011-09-08 19:14:00

2.5k

Views

Fast arithmetic, without a calculator?

Published on 08 Sep 2011 - 19:14

score 5.3k · Answer 8 · 2012-01-31 15:52:04

5.3k

Views

Doing simple math in your head

Published on 31 Jan 2012 - 15:52

score 57.5k · Answer 9 · 2012-03-05 13:20:54

57.5k

Views

What is the fastest way to multiply two digit numbers?

Published on 05 Mar 2012 - 13:20

score 1.7k · Answer 10 · 2012-05-23 16:56:06

1.7k

Views

a big number that is obviously prime?

Published on 23 May 2012 - 16:56

score 10.8k · Answer 11 · 2012-06-12 02:20:57

10.8k

Views

Square three digit numbers, the efficient way

Published on 12 Jun 2012 - 2:20

score 174 · Answer 12 · 2012-08-15 13:17:53

174

Views

$f(n)=7^{6n} - 6^{6n}$, where $n$ is a positive integer.

Published on 15 Aug 2012 - 13:17

score 570 · Answer 13 · 2012-08-27 14:37:32

570

Views

Mental maths for - $ \begin{pmatrix} 9\\ 4 \\ \end{pmatrix}$, $6^5$

Published on 27 Aug 2012 - 14:37

score 3.2k · Answer 14 · 2012-10-10 14:01:52

3.2k

Views

How to obtain an approximate expression for $\sqrt{\varepsilon}$ where $\varepsilon \ll 1$?

Published on 10 Oct 2012 - 14:01

score 204 · Answer 15 · 2012-11-03 13:53:15

204

Views

Show that $\left(\frac{1}{2}\left(x+\frac{2}{x}\right)\right)^2 > 2$ if $x^2 > 2$

Published on 03 Nov 2012 - 13:53

List Question

I want to learn math from basics the Indian way and am looking for a book to guide me and some workbooks to practice. Any recommendations?

How can I best mentally calculate the total sum of a sequence of linear increases?

Without using a calculator how to solve $x^x = 100$?

What is the method for mentally computing $3^{3.5}$ and similar calculations?

Why is it so good to know that $(1+x)^n \approx 1+nx$ for $nx \ll 1$?

Books, sites, guides about mental arithmetic by hand and tricks?

Fast arithmetic, without a calculator?

Doing simple math in your head

What is the fastest way to multiply two digit numbers?

a big number that is obviously prime?

Square three digit numbers, the efficient way

$f(n)=7^{6n} - 6^{6n}$, where $n$ is a positive integer.

Mental maths for - $ \begin{pmatrix} 9\\ 4 \\ \end{pmatrix}$, $6^5$

How to obtain an approximate expression for $\sqrt{\varepsilon}$ where $\varepsilon \ll 1$?

Show that $\left(\frac{1}{2}\left(x+\frac{2}{x}\right)\right)^2 > 2$ if $x^2 > 2$

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