> Typing these characters is quite annoying though This depends on the implementation. In Dyalog APL for example, the special characters (glyphs) are effected

> Typing these characters is quite annoying though This depends on the implementation. In Dyalog APL for example, the special characters (glyphs) are effected using fairly simple two-key sequences. Mnemonics are used to help learning. I found it fairly straightforward, surprisingly so.