Contents:– A Note on a Triple Integral; New Formulas Involving Fibonacci and Certain Orthogonal Polynomials; A Note on Certain General Transformation Formulas for the Appell and the Horn Functions; Some New Results for the Kampé de Fériet Function with an Application; Lagrange-Based Hypergeometric Bernoulli Polynomials; Approximate and Parametric Solutions to SIR Epidemic Model; Unifying Aspects of Generalized Calculus; Some Unified Integrals for Generalized Mittag-Leffler Functions; An Extension of the Concept of Derivative; How Many Fractional Derivatives Are There; Fractional Integral Equations Tell Us How to Impose Initial Values in Fractional Differential Equations; Fractional Derivatives and Integrals