2016-10-24 23:38:25 +0200 received badge ● Famous Question (source) 2016-06-22 15:41:13 +0200 received badge ● Notable Question (source) 2016-06-22 15:41:13 +0200 received badge ● Popular Question (source) 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)  2012-01-27 03:22:12 +0200 received badge ● Scholar (source) 2012-01-27 03:15:38 +0200 received badge ● Supporter (source) 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?