Date of intro: ~1975,
Number of keys: 20,
Keyboard Array (Rows x Columns): 04x05, Keyboard Layout: [7] [8] [9] [(Division)] [C] - [4] [5] [6] [x] [CE] - [1] [2] [3] [-] [(SquareRoot)] - [0] [.] [=] [+] [%],
Classification: / Clones,
Made by: TEAL (List of all Import-OEM-models for (Clones)),
Serie-members: (Clones): Resemblance 015_04_05_19; (Clones): Resemblance 015_04_05_20; (Clones): Resemblance 015_04_05_20A; (Clones): Resemblance 015_04_05_20B; (Clones): Resemblance 015_05_05_22; (Clones): Resemblance 015_05_05_22A; (Clones): Resemblance 015_05_05_22B; (Clones): Resemblance 015_05_05_22C; (Clones): Resemblance 015_05_05_22D; (Clones): Resemblance 015_05_05_23; (Clones): Resemblance 015_05_05_23A; (Clones): Resemblance 015_05_05_23B; (Clones): Resemblance 015_05_05_23C; (Clones): Resemblance 015_06_05_28,