\usemodule[asciimath]

\enabletrackers[modules.asciimath.digits]

\setupasciimath[separator=yes]

\starttext

    foo: \asciimath{1234,4567}
    foo: \asciimath{e=mc^2}
    foo: \asciimath{e=mc^12,3456}
    foo: \asciimath{e=mc^12,000001}

\stoptext
