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2012-01-27 04:20:09 +0200 marked best answer How can I get the the Avogadro constant?
sage: units.amount_of_substance.mole
mole

See the units package doc for more info on how to use Sage units.

2012-01-27 03:31:40 +0200 commented answer solve and calculate

This works, but is there also a more comfortable way to write this: solve(energiebilanz, h51x)[0].substitute(c_luft=12*m/s, mw=(1/3600)*kg/s, hw=146.68*J/g, TL=313*K) maybe like in a set of parameters? Thanks.

2012-01-27 03:31:40 +0200 commented answer solve and calculate

This works, but is there also a more comfortable way to write this: solve(energiebilanz, h51x)[0].substitute(c_luft=12*m/s, mw=(1/3600)*kg/s, hw=146.68*J/g, TL=313*K)

2012-01-27 03:22:12 +0200 marked best answer solve and calculate
z=var('z')
solve(x+z^2==1,x)[0].substitute(z==3)
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2012-01-26 20:24:00 +0200 asked a question How can I get the the Avogadro constant?

Hi!

How can I get the Avogadro constant http://en.wikipedia.org/wiki/Avogadro... as unit in sage?

Thanks

Mebus

2012-01-26 19:21:21 +0200 asked a question solve and calculate

How can I solave an equation like x+z^2=1 and then calculate x with z=3 from the solution?

Thanks.

2012-01-26 19:20:54 +0200 asked a question Solve an calculate

How can I solave an equation like x+z^2=1 and then calculate x with z=3 from the solution?