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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -




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Topic review (newest first)

2012-06-14 20:30:38

Hi Daja;

You might consider a speed reading course. Sometimes a person's mind can wander while reading because the normal way is too slow to keep the brain interested.

2012-06-14 16:59:52

my name is sanjeev batsakoti .i am a student but while reading i find difficult to read even the courses that are easy and my mind is distracted whilw reading . how can i improve my reading ? how can i accelerate my reading.i am a forgetful student .how can we remember for the long time

2011-12-02 17:34:15

ganesh wrote:

I remember 3 mnemonics.

1. To determine the inauspicious time (Rahu kaalam) of the day as per Hindu religion. The inauspicious time lasts for 1 1/2 hours starting from 7.30-9AM.

Mother Saw Father Wearing The Turban on Sunday.

Monday-7.30-9AM, Saturday-9-10.30AM, Friday-10.30-12AM, Wednesday-12-1.30PM, Thursday-1.30-3 PM, Tuesday-3-4.30PM, Sunday-4.30-6PM.

2. Spectral class of stars

Oh Be A Fine Girl Kiss Me!

3. Color code in Resistors

B.B.ROY of Great Britain has a Very Good Wife.

Any more mnemonics???

For the resistor one my CT teacher at school taught us this

Bad Boys R*** Ordinary Young Girls But Virgins Go Without

Not exactly PC but this was the eighties, apparently it came out of BNFL, BAE Systems and Leyland Motors. Not sure if there is any
truth to that.

2009-11-29 07:18:30

Hi random_fruit;

I can't find the post where that happened but the site has a filter to weed out offensive or colorful words.

2009-11-29 05:02:56

I see someone has edited the post I submitted on 2009-01-02.  I had written:

_s_e_x_ over here = sine: opposite / hypotenuse

but someone or something had removed the naughty word _s_e_x_ and replaced it with gender giving the nonsense you can see above.

2009-11-27 15:53:23



2009-07-14 06:18:46

For E, G, B ,D ,F:
Empty garbage before Dad flips
Every good band deserves fans
Every good burger deserves fries

2009-01-03 06:29:09

One that I was taught at a Electrician's class, consisting mostly of teenagers, for the sin, cos and tan:

gender Over Here Can Always Happen To Old Age

which means:
gender Over Here: Sin = Opp / Hypot
Can Always Happen: Cos = Adjac / Hypot
To Old Age: Tangent = Opp / Adjac

2008-12-23 13:26:58

We use
BODMAS here.
Oh and our specialist teacher made a mnemonic for sec, cosec and cot



Don't know it its useful to others, but it works for me.

2008-10-06 06:05:51

For the planets, I had always learned:

My Very Easy Method Just Speeds Up Naming Planets

To remember the English Monarchs, there's:

Willie, Willie, Harry, Stee,
Harry, Rich, John, Harry Three,
One-To-Three Neds, Richard Two,
Harrys Four-Five-Six... then who?

Edwards Four-Five, Rich the Bad,
Harrys (twain), Ned Six (the lad),
Mary, Bessie, James you ken,
Then Charlie, Charlie, James again...

Will & Mary, Anne of gloria,
Georges ( 4! ), Will Four, Victoria,
Edward Seven next, and then
Came George the Fifth in 1910...

Ned the Eighth soon abdicated,
So George Six was coronated,
Then Number Two Elizabeth...
And that's all, folks (until her death...)!!

Eventually, the last line is expected to be changed to:
Charles Three (and now I'm out of breath...!)

2008-08-31 22:09:45

standard guitar tuning (6 string)

(high to low) every bad guy deserves an execution


(made up in 5s)

2008-08-31 20:47:04

Lines of the treble (g-clef) staff on sheet music, from bottom to top:

Every good boy deserves fudge  (E,G,B,D,F)

Lines of the bass (f-clef)s staff, from bottom to top:

Face (F,A,C,E)

2008-08-31 20:25:19

PEMDAS, here, for order of operations.

I remember reading something after Pluto was reclassified. The mnemonic should now be:

My Very Eager Mother Just Served Us Nothing! <- the planets

Chris Plays Everything! <- the minor planets (so far)

2008-08-31 12:44:48

Roy G. Biv for the colours of the rainbow
Scott Owes Herlihy Cash And Hard To Obtain Antiques (we made it up in school)
for Trig.
for the Japanese
And Ken Said To Nigel Hey Man You're Really Wild
Bidmas/Bodmas for order of operations

2008-08-13 09:50:57

PEMDAS. Please excuse my dear aunt sally.

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