Gibson T. Maglasang and John Paul Aseniero
In this article, we outlined the necessary steps in calculating the radial wavefunctions for the Hydrogen atom. Thus, the radial wavefunctions particularly , and are easily obtained  without bothering to normalize it.
We use the formula below to find the wavefunction,
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John Paul Aseniero and Gibson T. Maglasang
For the particle in the state , the expectation value of x is expressed as

where the expectation value is the average of repeated measurements on an ensemble of identically prepared systems.
In this article, we would like to find , , and for an electron in the ground [...]

Eric Alcantara, Carlo Paul Morente and Gibson T. Maglasang
If you have two particles of spin and . Let be the combined spin of the particles. You can get values of from down to :
               (1)
We can get then the combination of states from the [...]