APMtoolbox This toolbox presents the basic prinicples of analytical probabilistic modeling for scanned particle therapy. Detailed information can be found in: Analytical probabilistic modeling for radiation therapy treatment planning Efficiency of analytical and sampling-based uncertainty propagation in intensity-modulated proton therapy Analytical incorporation of fractionation effects in probabilistic treatment planning for intensity‐modulated proton therapy Analytical probabilistic modeling of RBE-weighted dose for ion therapy 1D physical depth dose of protons 1D RBE weighted depth dose of carbon ions 1D arbitrary physical lateral dose