OT: Bit Spooky? - BMW 3-Series (E90 E92) Forum

DaveC · 10-30-2007, 05:40 PM

Give it a go...

http://milaadesign.com/wizardy.html

(Stolen from another site, I'm guessing the average IQ is a tad higher here so maybe it'll be obvious)

NFS · 10-30-2007, 06:07 PM

Quote:

Originally Posted by DaveC

Give it a go...

http://milaadesign.com/wizardy.html

(Stolen from another site, I'm guessing the average IQ is a tad higher here so maybe it'll be obvious)

Seriously don't understand how this is done

Yahoo · 10-30-2007, 06:10 PM

beemerbird · 10-30-2007, 06:12 PM

Quote:

Originally Posted by needforspeed

Seriously don't understand how this is done

There goes the theory on the average IQ then

vivekk · 10-30-2007, 06:17 PM

Quote:

Originally Posted by needforspeed

Seriously don't understand how this is done

It really is very simple maths, NFS!

Let's use a bit of algebra!

You pick 2 digits, so let's say the number is written as 'ab'.

'a' must be at least 1 & b could be 0-9, so

'ab' actually equals (10 x a) + b

Take away (a+b):

(10 x a) + b - (a + b) = 9 x a

So, you' re only ever left with the 9-times table- all the symbols are the same for those numbers, upto 9 x 9 ie 81.

They do change each go, but they still stay the same for all multiples of 9!

Viv

NFS · 10-30-2007, 06:19 PM

Quote:

Originally Posted by vivekk

It really is very simple maths, NFS!

Let's use a bit of algebra!

You pick 2 digits, so let's say the number is written as 'ab'.

'a' must be at least 1 & b could be 0-9, so

'ab' actually equalls (10 x a) + b

Take away (a+b):

(10 x a) + b - (a + b) = 9 x a

So, you' re only ever left with the 9-times table- all the symbols are the same for those numbers.

Viv

ahh .. clever bit is that it rotates the symbols used for the multiples of 9 each time.

Bit slow tonight .. maybe its the pouilly fume

DaveC · 10-30-2007, 07:52 PM

Awww Viv you let it out a bit too soon but I'm impressed with the decimal explaination and the maths although its been so long I am buggered if I could reduce (10 x a) + b - (a + b) ... far too may brackets! Anyway, tis good especially after a few glasses of wine.

vivekk · 10-31-2007, 04:17 AM

Quote:

Originally Posted by DaveC

Awww Viv you let it out a bit too soon but I'm impressed with the decimal explaination and the maths although its been so long I am buggered if I could reduce (10 x a) + b - (a + b) ... far too may brackets! Anyway, tis good especially after a few glasses of wine.

Sorry Dave!

Viv

10-30-2007, 05:40 PM	#1
DaveC Captain Drives: 330 Touring Join Date: Sep 2007 Location: UK Posts: 645 iTrader: (0)	OT: Bit Spooky? Give it a go... http://milaadesign.com/wizardy.html (Stolen from another site, I'm guessing the average IQ is a tad higher here so maybe it'll be obvious)
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10-30-2007, 06:10 PM	#3
Yahoo Captain Drives: 335i e91 LCI msport Join Date: Jul 2007 Location: Lincolnshire Posts: 816 iTrader: (3)

10-30-2007, 07:52 PM	#7
DaveC Captain Drives: 330 Touring Join Date: Sep 2007 Location: UK Posts: 645 iTrader: (0)	Awww Viv you let it out a bit too soon but I'm impressed with the decimal explaination and the maths although its been so long I am buggered if I could reduce (10 x a) + b - (a + b) ... far too may brackets! Anyway, tis good especially after a few glasses of wine.