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Mathematical Constants

Intriguing, ubiquitous, and at times mysterious, numerical constants set the allowable limits for all universal phenomena. Whether your questions involves π, Avogadro's number, Planck's constant, the atomic mass unit, or any of the other multitudes of immutable numbers used in science, this is the category where they should be asked.

2,332 Questions

Example of imaginary number?

The canonical example is the square root of -1.

Mathematicians use the symbol i to represent it, electrical engineers use j because i is already busy.

Can Planck's constant is zero?

No. It is a very small number (approximately 6.626 × 10-34 joule-second) but that is NOT zero

Why you call zero by the name zero?

The derivation is from the early 17th cent.: from French zéro or Italian zero, via Old Spanish from Arabic ṣifr 'cipher.'

What is the solution to 30X to 29Y?

"30X to 29Y" is not an equation nor an inequality. There is, therefore, not a mathematical solution to the question.

Do ANY number series in pi repeat themselves?

There are short strings of digits which will repeat, but there is no sequence which will repeat forever.

What is held constant in water?

The proportion of hydrogen and oxygen atoms in its molecules.

What is Boltzman's constant?

The Boltzman's constant is the physical constant relating to temperature to energy.

How many decillions are in 1 googol?

In researching the answer, we found the following definitions on the www :

1 decillion = 1033

1 googol = 10100

So the number of decillion in 1 googol is

10100 / 1033 = 10(100-33) = 1067

We couldn't find a name for 1067. Apparently it doesn't come up very often.

Do pi's number peridodic?

They may be. But as far as pi has been carried out until now ... 2.5 trillion decimal places

claimed in 2009 by a team in Japan ... no repeating digits have been found yet.

What is the general number for pi?

The answer is 3.141592654, often shortened to 3.14.

What is the use of finding number of tiles in daily life?

Well just say your wife/husband wants you to tile the bathroom. Instead of buying a random amount of tiles you can simply measure the area you want tiled to figure out the exact number of tiles needed. This is a pretty literal real life application though. Basically the tiles per certain area exercise also has the effect of teaching one how to deduce how many units [the tiles] will fit into a certain space [the area] this has all sorts of real world applications to do with problem solving if you really think about it and even though when I was in school I found these kinds of exercises pointless I often use the things I learnt in real life now :D