 1 - 13 of 13 Posts

#### ArmyCop

· Registered
Joined
·
176 Posts
Discussion Starter · ·
This is pretty neat. It really works!

DON'T CHEAT BY SCROLLING DOWN FIRST!It takes less than a minute .Work this out as you read ..Be sure you don't read the bottom until you've worked it out!This is not one of those waste of time things, it's fun.

1. First of all, pick the number of times a day that you would like to have sex(more than one but less than 10(cant be 10))

2. Multiply this number by 2 (just to be bold)

4. Multiply it by 50 -- I'll wait while you get the calculator

6. Now subtract the four digit year that you were born.

You should have a three digit number

The first digit of this was your original number(i.e., how many times you want to have sex each day).

The next two numbers are

YOUR AGE! (Oh YES, it is!!!!!)

THIS IS THE ONLY YEAR (2007) IT WILL EVER WORK, SO SPREAD IT AROUND WHILE IT LASTS

#### Fire1

· Registered
Joined
·
654 Posts
Thats pretty good. Worked for me as well.

#### Grimwulff

· Registered
Joined
·
1,078 Posts
It has worked every year that i've seen this thing. They teach it in Number Theory, along with the Perpetual Calender.

#### MI_Jester

· Registered
Joined
·
366 Posts
This will work every year, but you need to add one to the 1756/1757. The math is a convoluted way to get your original number x100+250 (5x50 gives you 250 and 1757+250=2007) and your number doubled and x50=your number x100.

Obfuscated math is always interesting...

MI_Jester

#### Grimwulff

· Registered
Joined
·
1,078 Posts
Lets try the perpetual calender!

W Ξ k + [2.6m - 0.2] - 2C + Y + [Y/4] + [C/4] (mod 7)

k = day (by #) of the month

m = month of the year (by #, starting with March = 1, April = 2, May = 3,..., January = 11, Febuary = 12)

C = century (ex: if you want to look up a date in 1945, C = 19; if you want 1796, C = 17)

Y = year of the century (as the above examples, 1945, Y = 45, 1796, Y = 96)

[ ] denotes you take the whole number, with any decimal rounded down, [2.6] = 2, [3.4] = 3, [5.9] = 5

(mod 7) denotes that you round down if any number is 7 or higher... so 7 (mod 7) = 0, 11 (mod 7) = 4, 4 (mod 7) = 4

So... lets do my birthday. I was born July 12, 1984. Thursday the 12th :twisted: Evil comes a day early. Anyways...

k = 12, m = 5, C = 19, Y = 84

W Ξ 12 + [2.6(5) - .2] - 2(19) + 84 + [84/4] + [19/4] (mod 7)

W Ξ 12 + [12.8] - 38 + 84 +  + [4.75] (mod 7)

W Ξ 12 + 12 - 38 + 84 + 21 + 4 (mod 7)

W Ξ 95 (mod 7)

W = 4

So I was born on the 4th day of the week... Monday = 1, Tuesday = 2, Wednesday = 3, Thursday = 4. Oh, look, Thursday.

Now you know how people can tell you what day you were born on with just a date. Have fun and enjoy.

#### Fire1

· Registered
Joined
·
654 Posts
101Combat Vet said:
I know it works and thats all I need to know....

Grim buddy quit trying to make me do homework :roll: :roll:

+1 Actually you gave me a headache...thanks

#### Grimwulff

· Registered
Joined
·
1,078 Posts
Fire1 said:
[quote name='101Combat Vet']I know it works and thats all I need to know....

Grim buddy quit trying to make me do homework :roll: :roll:

+1 Actually you gave me a headache...thanks
[/quote]

Anytime :twisted:

Next, i'll teach you the Chinese Remainder Theorem!

If you ever want to figure out if a number is prime, there is a good test!

2p-1 = new prime number

2*3 - 1 = 5, 5 is prime!

2*7 - 1 = 13, 13 is prime!

Not all answers give you a prime number, so you have to use the CRT to test it!

Math is fun! :twisted:

#### The Fish

· Registered
Joined
·
1,277 Posts
Grimwulff said:
Lets try the perpetual calender!

W Ξ k + [2.6m - 0.2] - 2C + Y + [Y/4] + [C/4] (mod 7)

k = day (by #) of the month

m = month of the year (by #, starting with March = 1, April = 2, May = 3,..., January = 11, Febuary = 12)

C = century (ex: if you want to look up a date in 1945, C = 19; if you want 1796, C = 17)

Y = year of the century (as the above examples, 1945, Y = 45, 1796, Y = 96)

[ ] denotes you take the whole number, with any decimal rounded down, [2.6] = 2, [3.4] = 3, [5.9] = 5

(mod 7) denotes that you round down if any number is 7 or higher... so 7 (mod 7) = 0, 11 (mod 7) = 4, 4 (mod 7) = 4

So... lets do my birthday. I was born July 12, 1984. Thursday the 12th :twisted: Evil comes a day early. Anyways...

k = 12, m = 5, C = 19, Y = 84

W Ξ 12 + [2.6(5) - .2] - 2(19) + 84 + [84/4] + [19/4] (mod 7)

W Ξ 12 + [12.8] - 38 + 84 +  + [4.75] (mod 7)

W Ξ 12 + 12 - 38 + 84 + 21 + 4 (mod 7)

W Ξ 95 (mod 7)

W = 4

So I was born on the 4th day of the week... Monday = 1, Tuesday = 2, Wednesday = 3, Thursday = 4. Oh, look, Thursday.

Now you know how people can tell you what day you were born on with just a date. Have fun and enjoy.

WHO SAYS MATH EDUCATION IN THE USA IS DEAD!!!!!!!!!!

#### MI_Jester

· Registered
Joined
·
366 Posts
I enjoy math too... but probably not as much as Grim. Whenever these "math" or "psychic" tests come up, I like to figure out what makes them "tick".

MI_Jester

#### Grimwulff

· Registered
Joined
·
1,078 Posts
MI_Jester said:
I enjoy math too... but probably not as much as Grim. Whenever these "math" or "psychic" tests come up, I like to figure out what makes them "tick".

MI_Jester

If you want, I can send you some stuff from Number Theory. That is the ultimate when it comes to the casual fun math problem.

101Combat Vet said:
If that is fun I bet you leave the dentist with a little chubby

Nah... I usually leave them with a partially numb face and a feeling of extreme sedation. You?

1 - 13 of 13 Posts