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Latest activity

  • mmm4444bot
    mmm4444bot posted the thread READ BEFORE POSTING in News.
    Hello! You'll get better results at this forum, if you follow the forum's submission guidelines. You can start with this summary of...
  • D
    Denis reacted to Otis's post in the thread Implicit multiplication sign with Like.
    I can't say what's usually taught; I don't know what most classrooms are doing anymore. I need to be more mindful of using what I've...
  • MarkFL
    MarkFL reacted to Dr.Peterson's post in the thread Changing the radius of an arch with Like.
    I've got a spreadsheet that seems to work, using Goal Seek. I give it H, h, and r, then use a guessed R to calculate x, the distance...
  • Otis
    Otis replied to the thread 2nd Actuarial exam (FM).
    My first thought was, "tkhunny is the actuary", but maybe I've confused him with Gene. Jeff is a history major who has retired from the...
  • Otis
    Otis replied to the thread Implicit multiplication sign.
    I can't say what's usually taught; I don't know what most classrooms are doing anymore. I need to be more mindful of using what I've...
  • Dr.Peterson
    Dr.Peterson replied to the thread Implicit multiplication sign.
    Yes, most software today agrees; but there have been at least some calculators that have taken the other interpretation. (My impression...
  • Otis
    Otis replied to the thread Implicit multiplication sign.
    Yup. Software must follow the Order of Operations as written. Software has been properly "taught". 😉
  • Dr.Peterson
    I've got a spreadsheet that seems to work, using Goal Seek. I give it H, h, and r, then use a guessed R to calculate x, the distance...
  • D
    Denis replied to the thread Implicit multiplication sign.
    Wolfish solution is 9: https://www.wolframalpha.com/input/?i=x%3D6%2F2(1%2B2) So is George Google's...
  • Otis
    Otis replied to the thread Implicit multiplication sign.
    As long as everyone's on the same page, heh. I forgot to mention in my last post that I've seen classrooms designate symbol ÷ as a...
  • J
    JeffM replied to the thread Algebra II: Rational Zeros Theorem.
    I suspect that it might help to start at another place. by the Fundamental Theorem of Algebra, a polynomial with real coefficents and...
  • Jomo
    Jomo reacted to Dr.Peterson's post in the thread Algebra II: Rational Zeros Theorem with Like.
    That's a nice problem! What thoughts do you have, even if they are not places to start? Here's my thought: First decide on first and...
  • Jomo
    Jomo replied to the thread 2nd Actuarial exam (FM).
    Yeah I thought it was Jeff. Thanks.
  • D
    Denis replied to the thread 2nd Actuarial exam (FM).
    I think you mean Jeff. What I learned was on my own...on the job... basically financial formulas and the likes... Besta luck Sir...
  • J
    JeffM replied to the thread basic function.
    What is intended exactly is unclear. Although mathematical notation is supposed to be above culture, it is not. Mathematical notation...
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