-3
votes
3answers
78 views

Multiplication problems

Can any one confirm which solution is correct and accurate solution if we have $0.004 × 10,000 = 40$ or $0.004 × 10,000 = 000040$ also, $6.51 × 1^4 = 65100.$ or $6.51 × 1^4 = 65100$ thank ...
23
votes
6answers
2k views

Why does my calculator show $2^{-329} = 0?$

On my calculator, I usually get a $0$ when I divide something by $2$, a lot of times if that makes sense, but I was just wondering why does $2^{-329} = 0?$
1
vote
4answers
2k views

When the denominator is larger than the numerator, why does the modulo equal the numerator?

As an example, why does 1 modulo 2 equal 1? According to Google's built-in calculator: 1 % 2 = 1 5 % 40 = 5 12 % 2000 = 12 Why is the remainder not "0", ...
1
vote
1answer
230 views

How to calculate Mortgage calculation

I have this formula for Mortgage calculation and now i want loan amount value using with same formula. ...
-4
votes
2answers
638 views

What happens as you take repeated square roots, starting with 8? What does the answer approach as you take more and more square…

a) What happens as you take repeated square roots, starting with 8? b) What does the answer approach as you take more and more square roots? c) Would the answer be the same if you started with any ...
1
vote
2answers
123 views

In a Calculator, Which Button Should be Bigger: $\sinh()$ or $\rm asin()$?

I am making a calculator app and would like to know: Which of the following functions would be used more often: $\sin()$ $\sinh()$ $\text{arsin}()$ ($\sin^{-1}$) $\text{arsinh}()$ ($\sinh^{-1}$) ...
0
votes
1answer
76 views

Help using TI-83 to find max and min…

This may be somewhat of a basic question, but I need to know... I'm trying to find the minimum and maximum for the following: $$y = \frac{\cos 3x}{5}+\sin 3x$$ How is this done on a TI-83?
2
votes
3answers
615 views

How to determine end behavior with my TI-83

So, I need to determine the end behavior of $P$ for this equation: $$P(x) = −x^5 + 3x^2 + x.$$ If possible, how is this done?
0
votes
1answer
93 views

Is $\log_{5}{-3} = \frac{\log(3)+\pi i}{\log(5)}$?

Why does my calculator return false when I input $\log_{5}{-3} = \frac{\log(3)+\pi i}{\log(5)}$ but W|A returns true? I'm thinking my calculator is wrong because I know that $\displaystyle ...
0
votes
2answers
706 views

How do calculators handle $\pi$?

When the calculator displays the digits of $\pi$, how does it arrive at that answer? Also, at what digit does the approximation of $\pi$ stop at?
0
votes
2answers
2k views

Casio fx-85GT PLUS calculator. How do I access & then use the quadratic equation formula?

Have looked in the user guide - cannot find information on use of the quadratic formula.