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Description
Elementary Differential Equations and Boundary Value ProblemsCondition: BRAND NEW ISBN: 9781119820512 Year: 2022 Publisher: John Wiley & Sons Inc (US) Description: Boyces Elementary Differential Equations? and? Boundary Value Problems is written from the viewpoint of the applied mathematician, with diverse interest in differential equations, ranging from quite theoretical to intensely practicaland usually a combination of both. The intended audience for the text is undergraduate STEM students taking an
Condition: BRAND NEWISBN: 9781119820512
Year: 2022
Publisher: John Wiley & Sons Inc (US)
Description:
Boyce’s Elementary Differential Equations?and?Boundary Value Problems is written from the viewpoint of the applied mathematician, with diverse interest in differential equations, ranging from quite theoretical to intensely practical–and usually a combination of both. The intended audience for the text is undergraduate STEM students taking an introductory course in differential equations. The main prerequisite for engaging with the program is a working knowledge of calculus, gained from a normal two or three semester course sequence or its equivalent, while a basic familiarity with matrices is helpful.
This new edition of the book aims to preserve, and to enhance the qualities that have made previous editions so successful. It offers a sound and accurate exposition of the elementary theory of differential equations with considerable material on methods of solution, analysis, and approximation that have proved useful in a wide variety of applications.
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4.2 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 2
if vibration excites your dog then it's okay
Color: Aqua
They're okay bit just basically vibrate. Was hoping they would roll around and their own but just really vibrate so my dogs didn't get much from it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2025
★★★★★ 4
Please make a smaller one!! LOVE 💕
Color: Aqua, Color: Aqua
Giving a 4 star only because ….you dont have a smaller one!!
My dog loves these!!!
PLEASE PLEASE PLEASE!!! Make a smaller one!!!….. Just like this one!!!!!!
Made very well!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
★★★★★ 5
Ball
Color: Aqua
Love it. My golden doesn’t like when it runs by itself but shepherds loves it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 25, 2025
★★★★★ 3
Not all it’s cracked up to be.
Color: Aqua
Doesn’t really bounce all that much. Doesn’t really stay on either. My dobe could care less about it.
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Reviewed in the United States on January 5, 2026
★★★★★ 5
Super entertaining toy if your dog likes balls and hunting
Color: Aqua
Love this! We got a similar ball for our dog about 6 months ago and she has been obsessed! We have 2 dogs, one hasa zero interest whatsoever in this toy (as expected) and the other will bark at it while its sitting on the charger so she can get it. Dogs, amirite? lol anyway, the issue we had with the previous one was that it was so loud on our wood floors because it was a solid plastic. The Cheerble ball has made a huge difference in sound for us!
The ball itself is very quiet. When it rolls or bounces on something other than the floor you can barely hear it. With the previous ball we had, we couldn't be on the phone or watching a movie, etc if our dog was playing with the ball because it was so dang loud but this solves our problems! Its made of a hard silicone like material (thing a Nerf ball or something) so it remains quiet. The battery lasts as listed and its easy to charge. It took some time to figure out which setting our dog liked the best but after that it was smooth sailing.
My only only negative to this is that the power on/off switch is inside so you have to twist it open to turn it off and on. The ball will naturally get some saliva on it so its kinda gross to put your hands all over it once its been played with and I'd prefer a button on the outside but understand why that isn't possible with this design.
This ball is perfect if your dog is ball obsessed like ours. Shes a pitt/black lab/aussie mix so ball and hunting/chasing lizards are her favorite past times. If your dog prefers ripping toys apart to kill the squeaker (our other dog) or chewing bones, they may not take to this. Ball is life at our house and this ball is at the top of our pups list, there isn't a day that passes that she doesn't start her daily routine of seeking this out and begging us to turn it on. Highly recommend for the right pup!
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Reviewed in the United States on August 6, 2025
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