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Hello,

My internet is on low speed, so sorry for not providing a link, but if you remember Max Maven's Number Force in Greatest Magic videos on youtube, that would be good enough.

Basically if you want to force a certain number, like 4, you will go into a sequence of "multiple your secret number by 2", "add 8", "divide by 2", "subtract with your secret number"...

I wouldn't consider this as a reveal above.

I'm trying to know where this principle is written in ( books ). I want to know how to force a number that I desire. How would I force a 7, or 9, or 17...

Now I'm aware that I can follow Max's sequence, then simple tell them add 2 to get to the number 7. However, for bigger numbers, I fear its more of a mathematical lesson than an effect.

Is this written in Harry Lorayne's Mathematical Wizardry perhaps ?

Thank you so much

It’s probably in fulves self working number magic.

Algebra.

Barry

magicofthemind wrote:Algebra.

Barry

But ALL maths is algebra (or geometry...)

Some greek guys.

Start with a 10-20 Force and work from there to get to your number.

I don't usually like mathematical forces, they often seem too contrived to me.

Does the force have to be mathematical? Could you use something like a matrix force or perhaps an add a number technique? A dice force perhaps? Have a look at Annemann's 202 Methods of Forcing for some good ideas.

Actually what I wanted was the mathematical force itself, verbally. To drive them to the number 10.

I just worked it out. Basically its:

your secret number = x
number desired to force = a

[ 2x+2a / 2 ] - x = a

the first [ part ] is basically [x+a] disguised by the doubling. so [x+a] - x = a

So I basically answered myself, the equation would be >>> [2x+20 / 2] - x = 10

..... I also think the mathematical forces are too obvious, but I'm using it for a bit different cause.

Thanks all

That's more or less what I was going to say, but I decided against it on an open forum. You can of course vary it as much as you like, even on the fly if you can do algebra in your head...

Barry

Lawrence wrote:

magicofthemind wrote:Algebra.

Barry

But ALL maths is algebra (or geometry...)

And ALL magic is coin tricks, of course.

As a mathematician, I am a bit sensitive on the subject

Anyway, OP, if I can help with maths, I am more than willing to help...

Woody Aragón talks about how to better utilise maths for magic in an essay in his A Book In English.

Also, what Barry said is right, sort of. Quite a few mathematical principles are orphaned. I seem to remember Paul Brook having trouble establishing who had originated the "nine" force. I believe when it does turn up in the literature it already appears to be an established method.