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8/2/2019 Trombone Issue 10
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From The
BoneThe Bugle itaint,
Dead LinkBlab blah blah
blah.
Issue 10: Mutton dressed as lamb
Welcome to issue number 10 of The Team XIV Trombone. Our sister publication has
had a facelift I see: a new underlined header. Wow, now thats progress. It is a step in
the right direction I suppose. Personally I think the picture of the bugle needs a little
work. So we at The Bone have re-imagined The Bugles bugle and whats more,
from the comfort of our legends, have not even asked for payment for the work. We at
the Bone are indeed selfless. Bugle, here is your NEW logo.
mailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Unsubscribe%20Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Unsubscribe%20Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Unsubscribe%20Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Unsubscribe%20Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Unsubscribe%20Trombonemailto:patrick.mccaffrey@jobcentreplus.gsi.gov.uk?subject=Unsubscribe%20Trombone8/2/2019 Trombone Issue 10
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Dont use your phone at work unless youre a manager who is allowed
Hope you enjoyed Easter. We at The Bone are a bit confused about Easter. Looking at
all the adverts and Eastery things weve come to the conclusion that Easter celebrates
Jesus being born out of an egg. Either that or weve got it completely wrong
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There. Its official. If Einstein says it, it must be true.
Fancy a bit of maths fun?
We at The Bone heart maths and maths hearts us.
Read this next article more than once if necessary; use a pen if you want. Then read it
again if need be. Once it clicks, youll have learnt something new. Whats more youll
be a genius and have only The Team XIV Trombone to thank.
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It's fairly easy to multiply two numbers that are close to the same multiple of 10.
The algorithm for doing it is called Nikhilam Navatascaramam Dasata. It is part of a
system of algorithms and mnemonics to remember them, collectively known as Vedic
Math that was developed by Jagadguru Swami Bharati Krishna Tirthaji Maharaj in the
early 20th century.
The easiest way to explain the algorithm is to give examples, and explain the algorithm
along the way.
7x 8
First find a suitable base. Since 7 and 8 are both close to 10, we'll use 10. Write the
difference between the numbers to be muliplied, and the base, off to the right:
base 10
7 | -3x 8 | -2
Multiply the differences. -3 x -2 = 6. We need as many total digits as we have zeros in
our base (1); if we didn't have enough, we would need to pad with leading zeroes, but
that's not a problem because we have one digit and that's all we need. Write it on the
right side of the answer:
base 10
7 | -3x 8 | -2
________
| 6
Now add the difference between the one number to be multiplied and 10, to the other
number to be multiplied. Pick either combination, because you will get the same result
8 + ( 3) = 5 OR 7 + ( 2) = 5
Put the result on the left side of the answer:
base 10
7 | -3x 8 | -2
________
5 | 6
7 x 8 = 56
Now let's try it with significantly bigger numbers, to see why this is such an advantage.
98
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x 89____
Since both numbers are close to 100, we will use 100 as our base. Write the difference
between the numbers to be multiplied, and the base, off to the right. Because 100 has
two zeroes, we need two digits on the right hand side.
base 100
98 (-2)
x 89 (-11)___________
87 | 22
98 x 89 = 8722
The 87 comes from either 89 + (-2), or 98 + (-11). The 22 comes from (-2) x (-11). You
can do this problem in your head. Let's try another one, to show when you need to padthe right side with leading zeroes:
base 100
98 (-2)
x 97 (-3)___________
95 | 06
98 x 97 = 9506
The 95 comes from either 97 + (-2) or 98 + (-3). The 06 comes from (-2) x (-3). Weneed to pad it with a zero, because the base is 100 so we need two digits on the right-
hand side.
Let's try an example where the numbers to be multiplied are a little bigger than a
multiple of 10:
base 100
105 (+5)x102 (+2)
___________
107 | 10
105 x 102 = 10710
The 107 comes from either 102 + 5 or 105 + 2. The 10 comes from 5 x 2 (the product of
the differences on the right).
Let's try another example where the numbers to be multiplied are on either side of amultiple of 10:
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104 (+4)x 98 (-2)
__________102 | -08
Uh oh, we have a negative on the right! Add it to the left hand side:
10200 + (-08) = 10192
104 x 98 = 10192
Let's try bigger numbers.
Base 1000
995 (-5)x998 (-2)
__________
993 | 010
993 = 995 + (-2) OR 993 = 998 + (-5). 010 comes from (-5) x (-2) = 10, then padded
with one leading zero because we need 3 digits because our base is 1000.
The method also works with multiples of powers of 10:
base 20 = 2 x 10
18 (-2)
x17 (-3)_________
15 | 6 (not done yet!)
because we had to multiply 10 by 2 to get to the base, we need to multiply the LEFT
SIDE ONLY of the answer by 2
base 20 = 2 x 10
18 (-2)x17 (-3)
_________30 | 6
18 x 17 = 306
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Ok, so before we part once more, The Bone would like to ask you, dear reader a
favour. We at The Bone taught you something wonderful today that maths is easy.
So to return the favour please explain what the f*** this means
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Thank you, and goodnight.
(Use Outlook)
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