<Tr> <Th> Weight </Th> <Td> 242 grams (8.5 oz) </Td> </Tr> <Tr> <Th> Dimensions </Th> <Td> 191 mm × 86 mm × 15 mm (7.5 in × 3.4 in × 0.60 in) </Td> </Tr> <Table> TI - Nspire CX CAS <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Type </Th> <Td> Programmable, Graphing, Symbolic </Td> </Tr> <Tr> <Th> Manufacturer </Th> <Td> Texas Instruments </Td> </Tr> <Tr> <Th> Introduced </Th> <Td> February 25, 2011 </Td> </Tr> <Tr> <Th> Predecessor </Th> <Td> TI - Nspire CAS with Touchpad </Td> </Tr> <Tr> <Th_colspan="2"> Calculator </Th> </Tr> <Tr> <Th> Entry mode </Th> <Td> D.A.L. </Td> </Tr> <Tr> <Th> Precision </Th> <Td> 14 </Td> </Tr> <Tr> <Th> Display type </Th> <Td> Color LCD </Td> </Tr> <Tr> <Th> Display size </Th> <Td> 320x240 (3.2" diagonal) </Td> </Tr> <Tr> <Th_colspan="2"> Programming </Th> </Tr> <Tr> <Th> Programming language (s) </Th> <Td> TI - Nspire BASIC, Lua </Td> </Tr> <Tr> <Th> User memory </Th> <Td> 100 MB </Td> </Tr> <Tr> <Th> Memory register </Th> <Td> 64 MB </Td> </Tr> <Tr> <Th_colspan="2"> Other </Th> </Tr> <Tr> <Th> Weight </Th> <Td> 242 grams (8.5 oz) </Td> </Tr> <Tr> <Th> Dimensions </Th> <Td> 191 mm × 86 mm × 15 mm (7.5 in × 3.4 in × 0.60 in) </Td> </Tr> </Table> <Tr> <Th> Type </Th> <Td> Programmable, Graphing, Symbolic </Td> </Tr>

When did the ti nspire cx cas come out