Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| calculator | cpu | ram | display size | programming languages | link abilities | year released | predecessors | successors |
| ti - 73 / ti - 73 explorer | zilog z80 6 mhz | 25 kb of ram , 512kb of flash rom | 9664 pixels 168 characters | ti - basic , assembly (via mallard) , flash apps | i / o port | 1998 / 2003 | ti - 80 | none |
| ti - 82 | zilog z80 6 mhz | 28 kb of ram | 9664 pixels 168 characters | ti - basic , assembly (through modifications) | i / o port | 1993 | ti - 81 | ti - 83 |
| ti - 83 | zilog z80 6 mhz | 32 kb of ram | 9664 pixels 168 characters | ti - basic , assembly (built - in) | i / o port | 1996 | ti - 82 | ti - 83 plus |
| ti - 85 | zilog z80 6 mhz | 28 kb of ram | 12864 pixels 218 characters | ti - basic , assembly (through modifications) | i / o port | 1992 | none | ti - 86 |
| ti - 86 | zilog z80 6 mhz | 128 kib of ram | 12864 pixels 218 characters | ti - basic , assembly (built - in) | i / o port | 1997 | ti - 85 | none |
| ti - 92 / ti - 92 ii | motorola 68000 10 mhz | 68 kb of ram / 136 kb of ram | 240128 pixels (not broken into character blocks) | ti - basic , assembly (through modifications) | i / o port | 1995 / 1996 | none | ti - 89 , ti - 92 plus |
Title:
comparison of texas instruments graphing calculators
Statement:
in 1993 , the ti - 83 calculator was released and had a zilog z80 6 mhz processor
Answer:
refuted