Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 399

ERR:DIM MISMATCH Error
Your TI-84 Plus displays the error if you are trying to perform an operation
ERR:DIM MISMATCH
that references one or more lists or matrices whose dimensions do not match. For example,
multiplying L1*L2, where L1={1,2,3,4,5} and L2={1,2} produces an error
ERR:DIM MISMATCH
because the number of elements in L1 and L2 do not match.
ERR:INVALID DIM Error
The error message may occur if you are trying to graph a function that does not
ERR:INVALID DIM
involve the stat plot features. The error can be corrected by turning off the stat plots. To turn the
stat plots off, press y , and then select
.
4:PlotsOff
Link-Receive L1 (or any file) to Restore Message
Your TI-84 Plus displays the if it has been disabled
Link-Receive L1 (or any file) to Restore message
for testing, and not re-enabled. To restore your calculator to full functionality after testing, link to
another TI-84 Plus and transfer any file to the disabled calculator, or use TI Connect™ software to
download a file from your computer to your TI-84 Plus.
To transfer a file from another TI-84 Plus:
1. On the receiving unit, press y 8 and then select
.
RECEIVE
2. On the sending calculator, Press y 8.
3. Select a file to send by selecting a category, and then selecting a file to send.
4. Select to send the file.
TRANSMIT
Contrast Feature
If the contrast setting is too dark (set to 9) or too dim (set to 0) the unit may appear as if it is
release y, and then press and hold
malfunctioning or turned off. To adjust the contrast, press
and
} or †.
Appendix B: Reference Information 392