GCSE maths: Iterations, how to find solutions to equations (Calculator Tricks)

Using a calculator to solve equations using iterations. The trick to getting the solution to the equation.
Enter 2 into the calculator (or the starting number x0)
The press enter
Enter the formula, but replace xn by the ANS button on the calculator
In this case we enter
3 / (5 - ANS^2)
Press enter repeatedly
The numbers you get converge to the answer to the equation
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[tobythomas]

I swear your videos just make everything so much easier

[markferreira]

thanks a lot, you made a really neat job of explaining this

[sallvism]

Thank you jayates you are easier to understand than my teacher.

[piaazn]

great video, really simple, keeping uploading your helping a whole generation of people =D

[zaranoor]

your actually amazing bro god bless u proper

[REDKIT]

very helpful hopefully it comes up on my exam in a couple weeks

[diary_ispf]

tyso !!! I feel more confident for tommorw's exam haha

[matyashale]

Thank you for making this easy to understand!

[khushalshah]

Thank you so much, I actually understand it now

[matthewphilip]

Thanks. Good stuff. Why did you start with X1=2? I'm used to examples starting with X0=2, or X0 (Xzero)=whatever.

[luke]

Does the iteration fomula come from the original equation? Can you make your own iteration formula if they don't give you one?

[samirahman]

The ad is telling me the videos in maths are shit