Changes an entity of one data type into another. Returns a grid of the same dimensions containing all the same values after type conversion. While casting to a smaller type, overflowing values will be truncated. Any grid Produces a grid of the same dimensions containing all the same values after type conversion. Conversion from float truncates fractional part (rounds towards zero) Conversion to an int type may wrap (same as some # & or some # %) \$1=number_type Changes the number type dynamically default is int32. Number types are: uint8, int16, int32, int64, float32, float64. see doc/numtype.pd for more info.