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Insights into mathematics
njwildberger
Joined: October 15, 2007
Last Sign In: 2 days ago
Videos Watched: 305
Subscribers: 365
Channel Views: 11,007
The WildTrig playlist gives a simplified introduction to Geometry via Rational Trigonometry. It will also present a wide range of applications. It is meant for good high school students, undergrad math majors, engineers, scientists and just those with an interest in geometry.

The MathFoundations playlist presents a simple way to set up modern mathematics on a rigorous foundation. It starts from the very beginning, without reliance on unsubstantiated `axiomatic systems' or other voodoo. It will also show how mathematics education can benefit by understanding mathematics in a natural way.
Name: Norman Wildberger
I am a mathematician, currently Assoc Prof at UNSW in Sydney Australia. I am particularly interested in geometry, harmonic analysis, hypergroups and foundational issues.

I am the author of `Divine Proportions: Rational Trigonometry to Universal Geometry', a book which develops a new and simplified form of trigonometry and Euclidean geometry.
City: Sydney Australia
Hometown: Peterboro Ontario Canada
Country: Australia
Occupation: Mathematician
Interests and Hobbies: Music, playing Go, bushwalking
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Recent Activity  
njwildberger uploaded a new video (3 weeks ago)
Some examples of calculating red quadrances and red spreads in red geome...   more
 
 
njwildberger uploaded a new video (3 weeks ago)
Red geometry is a two dimensional relativistic geometry in the spirit of...   more
 
 
njwildberger uploaded a new video (3 weeks ago)
Einstein's special theory of relativity (1905) was recast by Minkowski i...   more
 
 
njwildberger uploaded a new video (3 weeks ago)
Rational trigonometry can be developed purely algebraically, without any...   more
 
 
njwildberger uploaded a new video (3 weeks ago)
The most powerful law in geometry is the Cross law, the rational analog ...   more
 
WildTrig47: Red geometry (II)
10:00
Some examples of calculating red quadrances and red spreads in red geometry, and i...
no rating 3 weeks ago 98 views njwildberger no rating
WildTrig46: Red geometry (I)
10:03
Red geometry is a two dimensional relativistic geometry in the spirit of rational ...
3 weeks ago 77 views njwildberger
WildTrig45: Einstein's special relativity: an introduction
9:50
Einstein's special theory of relativity (1905) was recast by Minkowski in terms of...
3 weeks ago 79 views njwildberger
WildTrig42: An algebraic framework for rational trigonometry (I)
9:01
Rational trigonometry can be developed purely algebraically, without any pictures....
no rating 3 weeks ago 62 views njwildberger no rating
WildTrig43: An algebraic framework for rational trigonometry (II)
10:02
The most powerful law in geometry is the Cross law, the rational analog of the Cos...
no rating 3 weeks ago 52 views njwildberger no rating
WildTrig44: How to learn mathematics
6:34
A few thoughts on how to learn mathematics, that should also be relevant for this ...
3 weeks ago 94 views njwildberger
WildTrig41: Conics via projective geometry
8:46
Conics, such as circles, ellipses, hyperbolas and parabolas, can be defined purely...
4 weeks ago 145 views njwildberger
Translations, rotations and reflections (I): MathFoundations35
10:09
We introduce translations in the rational plane. However we do not assume the conv...
no rating 4 weeks ago 79 views njwildberger no rating
WildTrig39: Harmonic ranges and pencils
9:22
Four points on a line with a cross ratio of -1 form a harmonic range. Four lines t...
no rating 4 weeks ago 51 views njwildberger no rating
WildTrig1: Why Trig is Hard
9:46
The usual trigonometry is overly complicated, inaccurate and logically dubious. Th...
1 year ago 11,875 views njwildberger
Channel Comments (19)
langengro (2 days ago)
Damn, the playlists are there! Sorry for the misplaced comment ...
langengro (2 days ago)
These videos are valuable, and they are a pleasure to watch.
I'd like to suggest organizing the "WildTrig" and "MathFoundations" subsets of your channel into two seperate playlists. Would be easier to follow then.
Upps, I see that this comment has already been made further below. Anyway ...
selfdual (1 week ago)
Thank you very much for making these videos, Professor! I hope you upload more. Have a nice day!
CPLains (2 weeks ago)
Great videos! As a philosophy student now turning towards math it's great to see it taught with such focus on understanding instead of - as you say - voodoo, which invokes too much blind thinking. :)
xeroiced (1 month ago)
and I'd like to verse u one day at GO even though im 1st dan i believe ima beast
xeroiced (1 month ago)
are you from one of the Ivy? or westcoast Stanford?
Viridian85 (1 month ago)
Professor, Have you posted the materials you used when you taught MATH5785? I would assume they'd be of interest for many of the people who follow these videos.
riponKS89 (1 month ago)
Professor, thank you for sharing knowledge in a way normal people can understand!
kristjankui (1 month ago)
Good job!
GR1o6180339887498948 (2 months ago)
I love a channel that's all about math so I will keep on watching and watching... yea!
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