SIstyle – Package to typeset SI units, numbers and angles

This pack­age type­sets SI units, num­bers and an­gles ac­cord­ing to the ISO re­quire­ments. Care is taken with font setup and re­quire­ments, and lan­guage cus­tomi­sa­tion is avail­able.
Note that this pack­age is (in prin­ci­ple) su­per­seded by siu­nitx; sistyle has main­te­nance-only sup­port, now.