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These pages offer new rational answers to the main questions relating to the three great pyramids as well as for all of the constructions located on the Giza plateau.

Reality and consistency dictate that only the knowledge of Ancient Egypt from 4,500 years ago, which knew neither multiplication nor division, should be used here and used the famous Egyptian Fractions, (Fractions with only numerator 1 as 1 / 4, 1/3, 1/2 with some exceptions such as 2/3 or 3/4), for the record, the Rhind Papyrus lien_rhindRhind Papyrusdid not appear until around 700 years later ...
The unit of measurement mainly used in these pages is the Royal cubit of Memphis, for short (Cr), which corresponds to 0.5236 of our meter.

This site was built so that everyone can understand it in its entirety. - It does not require any particular mathematical knowledge.


Only the physical dimensions of the bases and heights are used to explain the calculation method.
The physical dimensions measured by W. M. F. PETRIE are accepted and used all over the world by archaeological community. these dimensions appear in red on the ground layout.

Bases PetrieHeights
aKhufu base length439.81haHeight of Khufu280
bChephren base length411hbChephren height275
cMycerinus base length201.44hcMycerinusde height125



Ground layout of the pyramids, the measurements are expressed in Royal cubits (Cr).

During these last decades, a considerable number of publications have attempted to provide an answer to the why and how of these positions, from the representation of stars to magic squares through Pi or the golden ratio if it is was not by means of various spirals in default of the eye of Horus or the forearm of Pharaoh.
Many books, web pages, conferences or publications have been devoted to it.

In good faith, recognized scientists, tried to answer this question by means of square roots or other except that these calculations were possible for Ancient Egypt 4,500 years ago?
using only the addition and the subtraction supplemented by a few ratios among the known fundamentals, as practiced in Ancient Egypt, applied to the physical dimensions of the bases and heights of the three Pyramids. which you can check immediately by yourself you can check immediately by yourselft lien2aGround Layout


Their Reciprocal Proportions:
It is immediately visible that the three pyramids are similar in proportions but different in size.
Nowadays, a scientist to evaluate them or understand the why, will undoubtedly proceed in a manner close to the following:

Chefren Height / base: 275/411 = 0.6690
Khufu Height / base: 280/440 = 0.6363
Mvcerinus Height / base: 125/201 = 0.6218

For this scientist and according to current calculations, the 3 pyramids will be in a ratio of 2/3
Nothing will allow him to understand and answer the "Why". The use of the Egyptian Fractions Immediately gives us another vision and understanding!

What differentiates the dimensions of the three pyramids and which governed their physical dimensions results only from having added at 1/2 - (the constant) - the variables 1/6, 1/7, 1/8,
Everyone can see that the results dating back 4,500 years or more perfectly overlap with our current ones ...
For several decades our research has focused on the marvelous architecture of Khufu and the treasures of knowledge which are its foundations.
However Chephren as we can see here shows us that the perfect calculation applies to him, and as I had already shown in 2003, it participates and combines simultaneously the knowledge of the other two pyramids.

Chephren Height / base: 275/411 = 1/2+ 1/6  (ie: 0.6666)
Khufu Height / base: 280/440 = 1/2+1/7  (ie: 0.6428)
Mycerinus Height / base: 125/201 = 1/2+1/8  (ie: 0.6237)

Copyright© C & M Sélaudoux,(Numérus),2003-2020. - This communication falls under intellectual property law,DL n ° 20191104-66786 - ISBN 978-2-9531305-5-3..




Cutaway plan of the Great Pyramid of Khufu, the measurements are expressed in Royal cubits (Cr).



Thales, Pythagoras, Euclid, Diophantus and many others were educated at Giza..

Each of us has asked ourselves the two fundamental questions that Ancient Egypt addressed to us, and among others: WHY and HOW?

We propose to find in the "Why" answers from and supported by many authors from different countries and centuries whose testimonies are all concordant.
In the How , the elements are exposed with as much simplicity and schemas as possible.

You'll find new answers to questions like:
Are the three great pyramids of Giza, although built at different times, designed and designed in a unique period?
"Why" have they been realized in such proportions rather than others?
What relationships between them?
"Why" their reciprocal positioning on the ground so is it? - (There you will be disappointed; Dozens of books and sites have been written on this issue, often by notoriety, and as for the egg of Christopher Columbus the whole answer requires only less than fifteen lines of writing ..., what you can check immediately lien2aGround layoutby yourself ).
Among many other answers, you will also find How their dimensions have been determined.
"Why" the apparently empty House of the King, (no mummy, sarcophagus that respects no religious rule nor the room itself devoid of any decoration, etc ...) , and by what can she justify its many and very important access protections ?,

Our sixth and last book, "Khufu's pyramid, Why and How" is completed.
Like the previous ones, it will soon be downloadable free from this same site.
This is the opportunity for us to have a last update currently underway, and only three of our books will remain for download.
This book, constantly rational and controllable, answers both the why and the how with words understandable by everyone.
When it is reported mathematics, it rarely exceeds the level of addition or subtraction.

For several decades our only goal has been to contribute to knowledge, probably with some mistakes, and we have never asked for or received any compensation of any kind, directly or indirectly.

Please consult the menus on the left of your screen ..

Among the books of the authors of this site, click on one of the images to DOWNLOAD FREE and without ads: (In French, not translated)

The book,Cheops, Why and How, What is the mystery that generete such a fascination for these places, what is their reason to be, how were they conceived and realized? ( 202 pages - 2019), is now available as a free download
The book,Cheops, Why and How, What is the mystery that generete such a fascination for these places, what is their reason to be, how were they conceived and realized? ( 202 pages - 2019), is now available as a free download in pdf format or for ebook readers: Kindle (Mobi format) and Ipad (Epub format).

The three great pyramids, Cheops, Khephren and Mykerinos have been asking us many questions for more than four thousand five hundred years.
Many researchers have tried to answer it, sometimes successfully but often not successfull.
What is the mystery that generates such a fascination for these places, what is their raison d'être, how were they conceived and realized?
As for the pyramids of Giza, a debate remains about the actual dating and the origin of knowledge likely to be much earlier than the fourth dynasty.
As for the impressive knowledge of Ancient Egypt they did not appear - "ex nihilo "- with Snefrou, Hémiounou, Imhotep or Cheops ...

This book brings new contributions, including the Why of such a reciprocal positioning of the three great pyramids of Giza, an issue that despite an impressive amount of published communications, ranging from celestial constellations to aliens, magic squares, golden numbers and various others ..., was still unresolved at the end of 2019.
The answer, easily verifiable by anyone who knows how to add and subtract, requires only a dozen lines ...
Although the realization of these three pyramids took place during different dynasties, did their conception take place during a unique moment or different periods?
How the dimensions of the three great pyramids had been be decided more than forty centuries ago and on the basis of what knowledge?
Why four shafts or so-called ventilation shafts?
And more ...

DétroitThe book Les_lumières_du_Détroit, , (Strait of Gibraltar, Columns of Hercules of the Ancients, its different cultures, civilizations and founding mythologies had been its own lights... - 117 pages - 2017 - French Edition), is now available as a free download in pdf format or Tablet - reading lights e-book : Kindle (Mobi format) and iPad (Epub format).The book The Lights of the Strait , (The Strait of Gibraltar, Columns of Hercules of the Ancients, its different cultures, founding civilizations and mythologies have been the lights ... - 117 pages - 2017 ), is now available free download in pdf format or for ebook readers: Kindle (Mobi format) and Ipad (Epub format).

It is there, in this strait where I lived that I discovered and learned the navigation. It was always there that I was made aware of ancient civilizations by a known archaeologist friend of the family.
Having a good knowledge of the region and the sea, I naturally became interested in the different cultures of which it was a compulsory point of passage, and to what concerned them.
For the Columns of Hercules quoted by Plato, our current Strait of Gibraltar, Atlantis and the construction of Atlantis, he used descriptive elements which for some may have had a reality. For others, he built a fiction on the basis of the authentic stories of the geographers of the time, stories which themselves had already undergone outrages of adaptations to the needs of different authors.
What he practiced himself and He has made it clear in the Critias ( 107b-108b ).

In the Timaeus Plato wrote:
" ... Because on the one hand, inside this strait of which we speak, it seems that there is only one Gully tightened haven... "(Timaeus, 25b ).
This sentence for decades has always been present to my mind because I do not know any haven (Port) with a Gully tightened in the Detroit, and it is not for want of having furrowed it and to have sailed in all directions.
At the autumn of my life getting an answer had become a compelling need. We temporarily left our retreat, rented a house on the shores of Detroit, and then searched for ...

2 sycomoresThe book Les Deux Sycomores de Turquoise,(207 pages - 2008 -French Edition), is now available as a free download in pdf format or tablets , e-book reading lights : Kindle (Mobi format) and iPad (epub format).The book The Two Sycamores of Turquoise , (207 pages - 2008 ), is now available free download in pdf format or for ebook readers: Kindle (Mobi format) and Ipad (Epub format).

For more than thirty thousand years man has occupied the Atlantic coast of Morocco and southern Spain as evidenced by their traces at Dar Es Soltane, Eklil, Taforalt in Morocco or Gorham in Gibraltar.
Our current geologists are well acquainted with the subduction line of the Europe and Africa tectonic plates as well as at sea in the south west of Portugal the particular point dubbed Horseshoes Fault bordering Gorringe Bank .

During the millennia, Earthquakes and Tsunamis have resulted in addition to the volcanic consequences, (Madeira 1930), or landslides like that of the Caldera de la Cumbra Vieja in the Canary Islands currently under surveillance.
More than nine thousand years ago some of these populations then began a long transmigration still to the East, and after settling in the Hoggar and Ennedi , they returned to the east following the global warming that occurred there to less than four thousand five hundred years.
Their traces are numerous in Ténéré or Oued Akkakus .

This long transmigration that lasted several millennia would have ended on the banks of the Nile, at Fayoum after Siwa for the North and Abydos for the South.

The impressive knowledge of Ancient Egypt did not appear "ex nihilo" ...
History and the emergence of knowledge through the transmigrations that have traveled the North of Africa from the Atlantic to Mesopotamia over the millennia.

Watch one of our online videos... (Please Note: All are with a French Sountrack).

For HD and / or full screen
START THE VIDEO then use the menu bar at the bottom of the video screen.
Choose * to select the full HD 1920x1080 Choose [ ] for full screen mode.


Duration: 34 min 14 sec.
March 2020: Analysis about Giza
Four main points will be addressed in this Film.
1- The ground plan of the Giza Plateau,
2 - The report that brings together the 3 Pyramids,
3 - How were the dimensions chosen,
4 - The function of the Great Pyramid known as Cheops

Duration: 15 min 31 sec.
February 2019 The Why and How of the Four Ventilation Shafts ....
The issue of Shafts, True Mystery, has remained unresolved at the end of 2018. Many hypotheses have been proposed ..., none has proved satisfactory.
An answer can however exist if one takes into account the wager which was that of the Architect, the knowledge and the means of Ancient Egypt.
This video exposes our hypothesis which proposes to show that these four Shafts constitute the vertebral column of the pyramid, not to support its structure,
but with extremely simple means they made it possible to create the spatial references essential to its realization.

Duration: 17 min 55 sec.
2017: Is the myth of Atlantis based on a sunken continent or of course a complete fiction to support The Plato's philosophical work?
For years, we have been thinking that the Atlandide Myth was based on submerged lands.
Our ongoing research is complemented by the statements and publications of researchers from the Universities of Cadiz, Seville and Huelva.

Duration: 24 min 12 sec.
Issued 2008, updated 2014, reissued during 2018: The transmigrations from the Atlantic to the Nile.
Here is another Hypothesis about what may have preceded the transmigrations and knowledge bases of Ancient Egypt.
To contact us contactlien8Contact

 A copyright has been registered in 2003 and protects the intellectual property.

Rights of reproduction and distribution are reserved. Copyright © C and M Selaudoux . Deposit SCAM - Paris N ° 2003050127 ISBN 978-2-9531305-0-8,
Our Boks: ISBN 978-2-9531305-0-8 , ISBN: 978-2-29531305-1-5, ISBN: 978-2-29531305-2-2, ISBN 978-2-9531305-3-9, ISBN 978-2-9531305-4-6 and ISBN 978-2-9531305-5-3.

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