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We present a mathematica package that performs the symbolic calculation ofintegrals of the form \int^{\infty}_0 e^{-x/u} x^n j_{\nu} (x) j_{\mu} (x) dxwhere $j_{\nu} (x)$ and $j_{\mu} (x)$ denote spherical Bessel functions ofinteger orders, with $\nu \ge 0$ and $\mu \ge 0$. With the real parameter $u>0$and the integer $n$, convergence of the integral requires that $n+\nu +\mu \ge0$. The package provides analytical result for the integral in its mostsimplified form. The novel symbolic method employed enables the calculation ofa large number of integrals of the above form in a fraction of the timerequired for conventional numerical and Mathematica based brute-force methods.We test the accuracy of such analytical expressions by comparing the resultswith their numerical counterparts.

Symbolic integration of a product of two spherical bessel functions with an additional exponential and polynomial factor