- irrational numbers and irrational number theory
- mathematical limits and limit theory
- All parts of statistics (the central limit theorem, the gaussian distributions/normal distributions, standard deviations, poisson distribution, … )
- the breast equation or similar equations.
- topology of Hausdorff spaces.
- most forms of numerical analysis
- …

Statistical mechanics in NOT considered to be indiscrete math because it is merely an approximation of the infinite state machine that is quantum physics. While technically statistically approximations are indiscrete, because statistical mechanics is approximating a system that is not only provably impossible but also the ultimate in discretion then an exception has been made.