Posts

The Best Business Calculus Book

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Business calculus is fun and easy. But just try to find a good business calculus book that is not way too big and complicated, not to mention expensive. Good luck!  Try to find a mature straight to the point business calculus book you can study on your own. How about one with lots of business and economics problems that are fun and practical. Again Good Luck!  Well, luckily Roland Trujillo who taught management for many years and now is retired has done the work for you. He was looking for just the right book to refresh his calculus, and it took him a lot of research but he found one, in fact three. And here they are.  Scroll forward to about 7:30 if you just want to watch the part about calculus (the first part of the video is about algebra).  

Best Algebra and Calculus Books

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Looking for an algebra textbook a calculus textbook or a business calculus text book that is  modestly priced  easy to understand  not confusing  nice layout without distractions lots of problems to solve that are not frustrating  great for an adult who wants to refresh his or her math  good for a high school student  

How to Make a Demand Equation

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Today I was doing a calculus problem where I had to make a demand equation and it really gave me a hard time. I finally found a really great video that explains it. Here is the link   http://www.econclassroom.com/?p=2549  Thank you so much, Welkeler's Wikinomics

So You Want to Learn Trigonometric Identities?

Michel van Biezen has excellent short youtube lectures on this topic. 

A Math Joke in the Simpsons by PatrickJMT

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Looking for help with math? PatrickJMT is one of my go to sources for math help. His youtube tutorials are easy to understand and just great. Here is a fun video he made about  a joke in a Simpsons episode with some fun math in it.  

So You Want to Study Geometry

I am in my 60's and I am studying calculus and kinematics. I need them for some advanced work I am doing. You have my permission to study both basic and advanced at the same time.   One moment I'm looking at the Introduction to Electromagnetism by Griffiths or The Evolution of Physics by Albert Einstein, and the next moment it's The Isaac Newton School of Driving or Barrons's AP Physics. Remember "learning is s'posed to be fun." You know what--I really have benefited from Youtube videos. For calculus, PatrickJMT, Dereck Owens, That Tutor Guy, and Dr. Schuster have been very helpful. For kinematics, Mrs. Twu and Bozeman Science. I watch a video or two, and then go to that section in my book. Then back to the videos again. And so on.   But how about geometry? Geometry is somewhat overlooked. But luckily, there is Khan Academy to the rescue. https://www.khanacademy.org/math/geometry For trig Patrickjmt again  and also ProfRobBob  for trig identiti...

Anyone Interested in a Clear Explanation of the Fundamental Theorem of Calculus

Here it is in 5 parts thanks to Derek Owens https://www.youtube.com/watch?v=9bJ2Z1jbIAE Here is a video about why the area under the velocity curve is the distance traveled https://www.khanacademy.org/science/physics/one-dimensional-motion/acceleration-tutorial/v/why-distance-is-area-under-velocity-time-line Thank you , Khan Academy

Interactive Teaching, Whiteboarding, and Some Great Content for Teachers

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What are Whiteboards? 32" x 24" pieces of white tile board written on with dry erase markers, cleaned with paper napkins Now they have whteboards everywhere. Shopko, Walmart, Office Depot and so on. In fact I found a nice little whiteboard at the DollarTree for only one dollar each. I got two of them and I use them all the time. But here are a couple of internet places just in case you are needing something online. The $2 Interactive Whiteboard Whiteboarding in the Classroom Whiteboard USA   small boards Small boards personal sine are great, but I guess the idea is to find 24X36 without frames so they are easy for 2 students to work on collaboratively.

Position, Velocity, Acceleration Graphs - Online Resources

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I know that the study of kinematics for position, velocity and acceleration is very basic. But it is so important. Believe it or not, some study I have been doing on space/time led me to look very carefully at just what distance and time are. It was so vital that I grasp deeply their relationship that I was led back to review basic kinematics. Incidentally, basic calculus is not hard at all. It is very simple and easy and it is a shame that somehow it is taught so that many people never really get it or enjoy it That is why I think the quickest way for the student to grasp and get and enjoy calculus is through the basic position (displacement) over time, velocity over time, and acceleration over time graphs, and how easy it is to understand differentiation to get velocity and again to get acceleration, and then integrate to go backwards. So, for starters here are a couple of good places to learn the graphs online The physics classroom.  Here is a clever animation of ...

Looking for Kinematics Equations and good explanations?

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Here it is Want a video on the subject? Doc Schuster has some good ones Here is his playlist . Thank you Doc Schuster for your excellent videos.

Parents,Learn Physics with your Kids - Series and Parallel

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Thank you Mr. Andersen Click to Run

Work, Force Energy, and Motion

Thank you NASA. This video is good for kids and adults tool. Because of some physics work I am doing, I am reviewing and taking a very close look at just what happens when you integrate and differentiate displacement, velocity and acceleration. Here's another one: Law of Conservation of Energy and more Eclips from NASA

Pastor Physics Recommends for Learning Electricity and Magnetism

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Mr. Paul Andersen has excellent science videos on youtube. Whether your child is 10, 15, or 20. Or whether you are an adult learner or even a senior citizen (like me) these videos are just great. He also uses the phet.colorado.edu resources. I just put an example here for you.  

Physics Learning and Teaching

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James Lincoln AAPT Films excellent physics demos and teaching tips Here is a link to James Lincoln physics demos from UCLA https://www.youtube.com/playlist?list=PLZJXoAzC7YEVDqi7dxMKZVX1jD76iwG6B

Inverse Cube law - Whaaaaa?

That's right. The inverse square law applies between point charges or from a magnetic monopole to compute the  electric or magnetic influence, but in the real world where you are dealing with dipoles .  .  .  .  .  . https://www.google.com/search?q=inverse+cube+law&sourceid=ie7&rls=com.microsoft:en-US:IE-SearchBox&ie=&oe=&gws_rd=ssl

Interested in Magnetism?

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I love magnetism and never tire of learning about it.    Here is a really cool site that I found.  It is called Magnet Man cool experiments with magnets

Coping with Bossy People - including parents

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This post has received Santa Claus's Seal of Approval. Did you know that Roland and Santa co-authored a book on parenting?    Here is the link Dear Roland, My name is Sean. My mom is bossy and orders me around. When she orders me to do something, she says it in such a mean way that it makes me angry and tempts me to want to do the opposite of what she says.   I feel like a slave, which also makes me angry.   I don’t want to disobey my mom, but even though I don’t want to—that’s what I feel. Same with my dad. Sometimes he seems angry and I don’t feel like doing what he says. Do you have any advice for me?    Parents: Before you read my response to Sean, let me provide a little background. It might help you remember what it felt like to be a kid with someone giving you a really hard time. Remembering how you felt might awaken understanding.        Kids naturally want to obey their parents. Where many parents ge...

Stop Hitting Children says Minister who Respects Chris Carter's Principled Stand.

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Stop the violence. This is the 21st Century. I am a pastor and I oppose the hitting of children. Period. ESPN Analyst Cris Carter on the alleged Adrian Peterson child abuse. Thank you, Mr. Carter, for defending women and children against violence and abuse. This man I respect.

Pastor Speaks Out Against Spanking and Child Abuse

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"Should parents spank their kids? " Absolutely not," says Roland Trujillo, pastor, lecturer, and author of 17 books. "It is totally unnecessary."   "For 25 plus years I have advocated against spanking. What does spanking accomplish? It introduces the child to fear, to trauma, and often to rage. It turns some children into fearful conformists, and others into rebels because of their hatred of the parent who used violence on them.  Spanking is often a euphemism for something much worse. Inflicting harm on an innocent defenseless child is despicable. It is bullying--the evidence of a tyrant, a large person hurting a small person. It is evidence of lack of patience, kindness, gentleness, self control, forbearance, and wisdom. It is a massive betrayal.  Here are two things that need to be stated. Child abuse is a little known contributing factor to violence against women. The male child who is beaten, slapped, spanked, yelled at, teased, or verbally...

Should I Discipline my 4 Year Old

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F our year olds don't need discipline, they need direction and redirection. They need watching with love, kindness, and patience. I'm going to tell you the truth. Time outs or spanking are usually substitutes for patience and wisdom. Often after we have become resentful, our patience runs out. Then we feel frustration. If we are not yelling (or worse), we look for some way to force the child to comply. Usually it for our own benefit, that way we can go back to watching television or whatever else we want to do. . We might even resort to a canned, cleverly marketed Orwellian behavior modification program to sugar coat forced compliance. Then there is always the specter of psychotropic meds. . Preview my book online . But first, I know what you are going to say, because I have heard it before. . I even heard it from a nice lady who was a receptionist at an office I used to visit. I told her that I was writing a book about parenting. . "W...