Use compile 303 304 312
uncomplex complex 100 101 105
uncurry combinators 118 118 122
unit stdtypes 147 147 160
unit combinators 78 78 81
unlock memory 257 257 259
unratio ratio 84 86 102
update array 133 135 155
uppercase string 311 311 318
usage memory 246 246 248
use compile 303 304 312
username os 120 120 121
