Tuesday, January 26, 2016

Video: The F.O.I.L. Technique in Algebra

The F.O.I.L. Technique in Algebra

An efficient way of multiplying two binomials (x + y)*(a + b)

https://www.youtube.com/watch?v=n35ZLJzAu1A


Eddie

HP 20S: Gamma Function Approximation (Stirling's Formula)

HP 20S:  Gamma Function Approximation (Stirling's Formula) Introduction The gamma function uses the approximation sequence: Let t = x + ...