I was doing some simple maths for a project when I stumbled upon an error (?) in my calculator (casio fx 991), I'll explain:
I wanted to make the next rule of three calculation:
$$ \frac{x}{4}=\frac{0.74}{1.7} \longrightarrow x=\frac{0.74 \cdot 4}{1.7} $$
by putting $0.74 \cdot 4$ on the calculator, it equals to $2.96$, by now it is correct.
then, I press $\texttt{Ans} \div 1.7$ and it gives me $1.024...$ as result.
when putting this result back on the first equation, something doesn't feels right.
$$ \frac{1.024}{4}=\frac{0.74}{1.7} $$
then, I used the Symbolab website to make sure it was right, and it was wrong, I found out $x$ should be equal to $1.74$.
what is the problem here? is it something about how calculators work? i am sure i didn't commited a mistake.
2.96 / 1.7 / 1.7 ≈ 1.024
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