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Jean Robert Argand

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Argand, Jean Robert Biography - S9. Biography of Jean Robert Argand Jul 18 - Today in Science History jean_robert_argand.gif

Original articles from our library related to the Jean Robert Argand. See Table of Contents for further available material (downloadable resources) on Jean Robert Argand.

Psychic Protection - Barriers
Introduction: The countermeasures given in these short articles are extremely basic. They only contain the bare bones of what is necessary to use them. To understand the principles behind these countermeasures, please get a copy of 'Practical Psychic Self-Defe...
Psychic Abilities >> Psychic Protection
Lauràelle, the Ceremony & the Sword: An OBE Experience
I have profoundly hesitated over the telling of this tale for many years. I have a lifetime of experiences like this to share, but some (like this one) may seem way over the top to some people, no matter how its written. This is simply because they lack any...
Astral Projection >> Out of Body Experiences
Astral Beings and Wildlife
The astral dimension contains a wide variety of what could be called non-physical subtle energy life-forms; or as Carlos Castenada so aptly calls them: inorganic beings. Some of these have a positive nature (nice) and some seem have a negative nature (not so...
Parapsychology >> Astral Projection
That Glimmer of Life: Death, The Energy Body & Its Aura
When persons are nearing death, their auras change dramatically. As a mystic and healer with many years experience, I have probably had more opportunities than most to observe the auras of people with terminal illnesses, in the weeks, days, hours and minutes...
Body Mysteries >> Auras
A Treatise on Astral Projection
There are certain aspects of the astral dimension and the projection process that are very complicated. Much of it is misunderstood and it can all be very confusing at times. This series of articles attempts to shed a little light on the subject, and...
Parapsychology >> Astral Projection
White Light Shields
[On White Light & Purity As Defensive Measures] This article grew from an informal reply to a simple question posed to me some time ago. The question was: "Please explain why you say that purity of spirit and calling down the white light are not...
Psychic Abilities >> Psychic Protection
A Treatise on Astral Projection, Part 2: Training
To trigger the projection of the Astral body, while fully conscious, there are four major requirements: Relaxing your body 100% while staying awake. Concentrating 100% on what you are doing. Having enough energy available. Pressuring the astral body to...
Parapsychology >> Astral Projection

Jean Robert Argand is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Jean Robert Argand books and related discussion.

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The Fundamental Theorem of Algebra: A Visual Approach
D'Alembert's proof of this lemma was not very rigorous, and it was unnecessarily complicated.
Swiss clerk named Jean Robert Argand (1768-1822) (who stated the theorem the first time for polynomials with complex coefficients) did similar work.
The Fundamental Theorem of Algebra
Around 1805, Jean-Robert Argand popularized the idea that complex numbers describe points on the plane. How does a+bi describe a point on the plane?
The Square Root of i
English until 1999, 200 years after its first publication. Jean Robert Argand rediscovered Wessel's work in 1806 with his publication of the Argand diagram.

Suggested News Resources

THE STRANGE MATH OF STRING THEORY - The Past, Present and Future of Multiple
In 1806, Jean-Robert Argand put forward the idea that complex numbers describe points on a plane – given a reference, a tells us how far left or right the point is, whereas b tells us how far up or down it is.

Suggested Web Resources

Argand biography
Jean-Robert Argand was an accountant and bookkeeper in Paris who was only an amateur mathematician. Little is known of his background and education.
Argand summary
Jean-Robert Argand (1768-1822) JOC/EFR © July 2000.
Jean-Robert Argand - Wikipedia, the free encyclopedia
Jean-Robert Argand (July 18, 1768 – August 13, 1822) was a gifted amateur mathematician.
Jean Robert Argand Biography |
Jean Robert Argand biography, including 1 pages of information on the life of Jean Robert Argand.
Mathematician of the Week: Jean-Robert Argand « 360
Jul 13, 2008 Jean-Robert Argand was born on July 18, 1768.

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