One hundred thousand whys[youth version] 12 rolls icon

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App Detail » One hundred thousand whys[youth version] 12 rolls

Published by: tian luo

+ Universal App - Designed for iPhone and iPad

Price: FREE!
Current Version: 12.5
Released: March 16, 2012

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What's New

This app has been updated by Apple to use the latest Apple signing certificate.

Support iOS 9.0

App Description

The why "is China's first this popular edition of the encyclopedia, physics, chemistry, astronomy points weather, agriculture, physiological health 5 roll, issue five hundred) that is more than copies. China's young children's film version clubs in January 1961 film version. It is not a book, but as a "set" a version of the works. Its content is very wide, to ask a friend introduced all kinds of ways of scientific knowledge and the text is not long, a shallow development, very He operators in the young readers cognitive style and reading characteristics. It spread knowledge, science popularization in play a positive role, influence generations on the road of science teenagers. In recent years, dubbed the "why" books layer play in endlessly, put a lot of the attention of the frontier problem also into come in, greatly enrich the connotation of the brand.
Books directory:

Why the animal world

Why the information and technology

Why the mystery of the human body

Why sports and country

Why of the plant kingdom

Why the vast universe

Why cultural art

Why of nutrition and health

Why the mystery science

Why the military and the traffic

Why of our earth

Why the Chinese and foreign history

The function of software:
1, iOS5 support.
2, each page preview picture, click on the picture directly into to want to see the page
3. The same page shows the page
4, zoom-in (thumb and index finger operation)
5, support print directly
6, support increased save, fast browsing bookmarks
7, support to send mail books figure and text information

iPhone Screenshots

(click to enlarge)

One hundred thousand whys[youth version] 12 rolls screenshot 1

One hundred thousand whys[youth version] 12 rolls screenshot 2

One hundred thousand whys[youth version] 12 rolls screenshot 3

One hundred thousand whys[youth version] 12 rolls screenshot 4

iPad Screenshots

(click to enlarge)

One hundred thousand whys[youth version] 12 rolls screenshot 5

One hundred thousand whys[youth version] 12 rolls screenshot 6

One hundred thousand whys[youth version] 12 rolls screenshot 7

One hundred thousand whys[youth version] 12 rolls screenshot 8

App Changes

June 08, 2014 Initial release
June 11, 2014 Price increase: FREE! -> $5.99
June 13, 2014 Price decrease: $5.99 -> FREE!
July 23, 2014 Price increase: FREE! -> $4.99
July 26, 2014 Price decrease: $4.99 -> FREE!
July 30, 2014 Price increase: FREE! -> $4.99
July 31, 2014 Price decrease: $4.99 -> FREE!
August 04, 2014 New version 7.2
August 04, 2014 Price increase: FREE! -> $4.99
August 11, 2014 Price decrease: $4.99 -> FREE!
August 13, 2014 Price increase: FREE! -> $4.99
September 02, 2014 Price decrease: $4.99 -> FREE!
September 04, 2014 Price increase: FREE! -> $5.99
September 18, 2014 Price decrease: $5.99 -> FREE!
September 26, 2014 Price increase: FREE! -> $5.99
September 27, 2014 Price decrease: $5.99 -> FREE!
October 02, 2014 Price increase: FREE! -> $5.99
October 04, 2014 Price decrease: $5.99 -> FREE!
October 10, 2014 Price increase: FREE! -> $5.99
October 14, 2014 Price decrease: $5.99 -> FREE!
October 15, 2014 New version 11.0
October 19, 2014 Price increase: FREE! -> $4.99
October 24, 2014 Price decrease: $4.99 -> FREE!
November 03, 2014 Price increase: FREE! -> $4.99
November 06, 2014 Price decrease: $4.99 -> FREE!
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August 15, 2015 Price decrease: $4.99 -> FREE!
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September 01, 2015 Price decrease: $4.99 -> FREE!
September 08, 2015 Price increase: FREE! -> $4.99
September 12, 2015 Price decrease: $4.99 -> FREE!
September 15, 2015 Price increase: FREE! -> $4.99
September 19, 2015 Price decrease: $4.99 -> FREE!
September 23, 2015 Price increase: FREE! -> $4.99
September 26, 2015 Price decrease: $4.99 -> FREE!
September 29, 2015 Price increase: FREE! -> $4.99
October 03, 2015 Price decrease: $4.99 -> FREE!
October 06, 2015 Price increase: FREE! -> $4.99
October 12, 2015 Price decrease: $4.99 -> FREE!
October 17, 2015 Price increase: FREE! -> $4.99
October 21, 2015 Price decrease: $4.99 -> FREE!
October 26, 2015 Price increase: FREE! -> $4.99
October 31, 2015 Price decrease: $4.99 -> FREE!
November 02, 2015 Price increase: FREE! -> $4.99
November 07, 2015 Price decrease: $4.99 -> FREE!
November 09, 2015 Price increase: FREE! -> $4.99
November 28, 2015 Price decrease: $4.99 -> FREE!
December 08, 2015 Price increase: FREE! -> $4.99
December 12, 2015 Price decrease: $4.99 -> FREE!
December 14, 2015 New version 12.0
December 14, 2015 Price increase: FREE! -> $4.99
December 19, 2015 Price decrease: $4.99 -> FREE!
December 21, 2015 Price increase: FREE! -> $4.99
December 24, 2015 Price decrease: $4.99 -> FREE!
December 28, 2015 Price increase: FREE! -> $4.99
January 02, 2016 Price decrease: $4.99 -> FREE!
January 05, 2016 Price increase: FREE! -> $4.99
January 09, 2016 Price decrease: $4.99 -> FREE!
January 12, 2016 Price increase: FREE! -> $4.99
January 16, 2016 Price decrease: $4.99 -> FREE!
January 19, 2016 Price increase: FREE! -> $4.99
January 24, 2016 Price decrease: $4.99 -> FREE!
January 26, 2016 Price increase: FREE! -> $4.99
January 29, 2016 Price decrease: $4.99 -> FREE!
February 02, 2016 Price increase: FREE! -> $4.99
February 05, 2016 Price decrease: $4.99 -> FREE!
February 22, 2016 Price increase: FREE! -> $4.99
February 27, 2016 Price decrease: $4.99 -> FREE!
February 29, 2016 Price increase: FREE! -> $4.99
March 05, 2016 Price decrease: $4.99 -> FREE!
March 18, 2016 Price increase: FREE! -> $4.99
March 20, 2016 Price decrease: $4.99 -> FREE!
March 24, 2016 Price increase: FREE! -> $4.99
July 02, 2016 Price decrease: $4.99 -> FREE!
July 06, 2016 Price increase: FREE! -> $4.99
July 08, 2016 New version 12.5
July 10, 2016 Price decrease: $4.99 -> FREE!
July 18, 2016 Price increase: FREE! -> $4.99
July 23, 2016 Price decrease: $4.99 -> FREE!
July 28, 2016 Price increase: FREE! -> $4.99
July 29, 2016 Price decrease: $4.99 -> FREE!
August 02, 2016 Price increase: FREE! -> $4.99
August 04, 2016 Price decrease: $4.99 -> FREE!
November 05, 2016 Price increase: FREE! -> $4.99
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July 14, 2020 Price increase: FREE! -> $0.99
October 22, 2020 Price decrease: $0.99 -> FREE!

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