May 2, 2026 | Classical and advanced mathematics, Science
How to calculate areas of closed surfaces using an “apotema’s rule”. It’s an extract of a theorem in which Area'(s)= r.Length(s) where r= radius and s= apotema… I must say that this method is not of my invention read more
Apr 30, 2026 | Applied Physic, Science
Some constants such as radius, nº total of charged particles (assuming that universe is neutral)… using easy and approximate classical formulas… read more
Apr 28, 2026 | General classic Chemistry, Science
A study about speeds of diverse reactions where the concentration is a function of time. We recall the equilibrium constant and integrate the differential changes of concentrations, for example: A+ 2B = products… read more
Apr 27, 2026 | Applied Physic, Science
Simply combining some formulas and physic classic equations including correct “laws” to reach finally the Tª… read more
Apr 27, 2026 | Classical and advanced mathematics, Science
Expansion of the Taylor Serie using two variables: x , y. So the derivative of the function will be more difficult because we must use partial derivatives… read more
