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`math max` for math

Returns the maximum of a list of values, or of columns in a table.

> math max {flags}

input	output
list<any>	any
table	record

Find the maximum of list of numbers

> [-5010025] |math max
100

Find the maxima of the columns of a table

> [{a:1b:3} {a:2b:-1}] |math max
╭───┬───╮
│a│2│
│b│3│
╰───┴───╯