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Math / Science
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The Math / Science topic primarily includes discussions of mathematics, physics, statistics and economic analysis, but also biology, chemistry and other sciences.
is it just an issue of getting a quality adapter,
or should the machine be certified 220V compatible?
A particular embedded 'C' software uses FLOAT and DOUBLE.
The range and scalings for FLOAT and DOUBLE values are defined in ANSI / IEEE Std 754. How can I access and understand this information?
to reduce iron content in water, iron additives are being sold..
a)iron does not taste good.. but is iron water harmful for human health..?
b)to remove iron, additives are used.. this is a situat…
This is a question about electronics.
I have next bridge board L298N:
Further info about L298N board is here (https://goo.gl/CeDAnH).
And next DC motor:
With next parameters:
What is the maximum distance of x in order to limit the slope change to less than .15 degrees?
I need a clue:
I have an activity of two list of words. The first list, is the list of answers and the second list is the list of student list.
The student has a te…
I am trying to understand the below formula. It was given to me some time ago and no contact with giver.
NmFin : Normalised FP = ((N+1)-2x) / sqrt(3(N+1)(N-1))
It will be used in a horse race t…
If I have conversion rate from USD to GBP how can I get the rate to reverse it so that I can covert from GBP to USD?
I have a dataset - I can get a mean and the mean stays constant as I apply the Central Limits Theorem and average increasing sample sizes. However - it appears to by asympototic to normality by the A…
I need to calculate the Z-SCORE Values that would represent the Values of
based on the data that I have in Column J. The formulas needs to be kept inside …
I need to calculate the T-SCORE Values that would represent the Values of
100 T-SCORE Value
90 T-SCORE Value
80 T-SCORE Value
70 T-SCORE Value
60 T-SCORE Value
50 T-SCORE Value
I need to calculate the Standard Deviation Values that would represent the SD Values of
based on the data that I have in Column J. The formulas needs to b…
Let's say the entire universe (both the parts known and unknown to us) restarted at the beginning of the new year January 1,1950 GMT.
Okay, we can't do that, but this is just a thought experiment. …
Let's say there are 12 games being played. One entry in the contest consists of picking the winners of any 7 of the 12 available games. I need all 7 to be correct to win. For the purposes of simpli…
Five hands (Five cards per hand) are dealt from a standard 52-card deck of cards.
What is the probability that the Queen of Heart will appear at least three times?
Note: After each dealing the e…
the artist name is
the artist mentioned is rolier
is it possible to find the exact artist and history of other works and …
if in postal address, if it is used as
in last line,
is it supposed to mean 'country'..
is it mandatory or optional?
other than sun & moon (lunar) as reference sources, what are other sources on which calendars have been made throughout the world in history?
(is English calendar based on sun rotation?)
Question: In what ratio is the line joining the points (4,2) and (3,-5) divided by the x-axis? Also, find the coordinates of the point of intersection.
Solution: Let the requ…
I need to calculate the Percentile Values that would represent the Values of
100 Percentile Value
90 Percentile Value
80 Percentile Value
70 Percentile Value
60 Percentile Value
I want to know what is the exact difference between Standard Deviations and z-scores, with respect to the excel ? Do they represent the same values or what ?
Which one is easy to calculate wi…
Could someone please explain in simple words, what is the Difference between Percentile and T-Score, and how should one decide about where to use which one ? Is there some proper explanation ava…
the meaning i see online is
a chandelier in which the lights are electrical
1)are there chandelier in which the lights are non-electrical?
2)LIER is common ending betwee…
Foreword (May 2015)
This web page has appeared at Google. It's definitely worth considering!
A Guide to the PMT, FV, IPMT and PPMT Functions In MS Excel we have the PMT, FV, IPMT and PPMT functions, which do a fantastic job for interest rate calculations. But what if you don't ha…