Plex Tree (Aregnometry)

The Plex Tree is a list showing the naming scheme of iteritersums and other special iterations in aregnometry.

= Plex Tree =
 * 1) Monoplex (rarely used)
 * 2) Duplex
 * 3) Triplex
 * 4) Quadraplex
 * 5) Pentaplex / Quintaplex
 * 6) Hexaplex
 * 7) Heptaplex
 * 8) Octaplex
 * 9) Nonaplex
 * 10) Decaplex
 * 11) Undecaplex
 * 12) Dudecaplex
 * 13) Tridecaplex
 * 14) Quadradecaplex
 * 15) Pentadecaplex
 * 16) Hexadecaplex
 * 17) Heptadecaplex
 * 18) Octadecaplex
 * 19) Nonadecaplex
 * 20) Ventaplex