This Complex Variables Book is Over 100 Years Old

In this video I will show you one of my math books. This book is on complex variables and it was published in 1915. The book is titled Functions of a Complex Variable and it was written by E.J. Townsend. This book was written for 1st year graduate students.

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[pinedelgado]

This is such a great video you've produced and posted, Math Sorcerer!!! Complex analysis is one of my many favorite fields of math and I have many books in my personal math library devoted to complex analysis! I don't currently have this title in my private collection. But, I just might seek it out. Thanks lots once again, MS!!! :) :) :) :)

[youbuckfutter]

My girlfriend went to college in Ohio, and I would frequently visit and made it a point to stop at the local used bookstore and check out the science/math section. I found a cool numerical analysis textbook on two-point boundary value problems from the 1950s, and the introduction mentioned that this is a good book for people looking into a career in computing (not programming, but human computers). Was a nice historical find!

[daniellindner]

Great video! Reminds me a lot of your review on the Ahlfors book a long time ago. These old math book reviews are really interesting!!

[Spacemonkeymojo]

As someone who hasn’t studied math since high school but is curious again, like trig, calculus, probability, do you have any recommendations for a book that also includes real world applications?

[rayvianasampaio]

I studied in the book : Complex Variables and Aplications, from R.V. Churchill . Now there is a new version, with co--autor Brown . I have also a brazilian translation in the ninth edition . Ray Viana Sampaio, from Brazil .

[gregbrown]

Glad I'm not the only one that has a habit of smelling really old books!

[martinhawrylkiewicz]

Nice vid! My oldest math book is Complex Analysis by Alphors from 1960's I think.

[brazenzebra]

There's another good book more than a century old on complex variables. It's "Theory of Functions of a Complex Variable" by Burkhardt, a German mathematician, translated into English by Rasor, 1913 edition. It's a wonderful book! He even defines complex numbers the more general way as ordered pairs. AbeBooks is selling a copy for twenty bucks. I think Harvard used Burkhardt's book for complex variables way back then.

[lingzhao]

I have a complex variable book that is I think exactly 100 years old

[physicshypernova]

Like you I love older books, I just got one from 1962: "Operational Methods for Linear Systems" by Wilfred Kaplan. I also have a copy of his "Advanced Calculus".

[Dave.Mustaine.Is.Genius]

Sir, thank ye fer all these videos. I have a really really important question, and that might conceivably be a good topic of a video: if we wanna learn and go deeper at many academic/intellectual fields, how should we study them? One by one, or all at the same time? Let's say, would doing like: reading philosophy at 1/3 of the study time in the day, reading novels at the other 1/3, then doing math at the remaining 1/3 be okay? Or, we better go book by book maybe? Like, after finishing a history book, we proceed to a physics book, then to a math book, then to an economics book etc.... Or should we divide our time by weeks, maybe? Like, philosophy week, math week, sociology week etc?? Or maybe 2-3 months periods? I've been struggling on this issue fer a couple of years now and couldn't figure out a proper solution. Yer opinions on this is so important to me... Much respect and admiration from Turkey...

[knw-seeker]

Thanks a lot could you do a video on the best statistics books
i would really appreciate it as i will have lots of it in my upcoming psychology modules

[lingzhao]

Prof do you have a discord? Also my other question Prof is can you ever do fun problems from differential geometry

[shemaths]

isn't there like an ebay for old STEM books

[thetheoreticalnerd]

Math sorcerer, you haven’t been responding to my comments so im going to ask here. Could I do a live solve of your hardest calc 2 exam on my channel? Thank you

[aikidograndmaster]

Another book from which nobody can learn anything from, but if you are a