Texas Instruments TI-84 PLUS SILV Guidebook - Page 403

Error Type INVALID DIM ITERATIONS LABEL LINK L1 (or any other file) to Restore MEMORY MemoryFull MODE NO SIGN CHNG NONREAL ANS OVERFLOW Possible Causes and Suggested Remedies • The ERR:INVALID DIM error message may occur if you are trying to graph a function that does not 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. • You specified a list dimension as something other than an integer between 1 and 999. • You specified a matrix dimension as something other than an integer between 1 and 99. • You attempted to invert a matrix that is not square. • The solve( function or the equation solver has exceeded the maximum number of permitted iterations. Examine a graph of the function. If the equation has a solution, change the bounds, or the initial guess, or both. • irr( has exceeded the maximum number of permitted iterations. • When computing æ, the maximum number of iterations was exceeded. The label in the Goto instruction is not defined with a Lbl instruction in the program. The calculator has been disabled for testing. To restore full functionality, use TI Connect™ software to download a file to your calculator from your computer, or transfer any file to your calculator from another TI-84 Plus. (See the instructions under Important Things to Know about your TI-84 Plus, earlier in this chapter.) Memory is insufficient to perform the instruction or function. You must delete items from memory before executing the instruction or function. Recursive problems return this error; for example, graphing the equation Y1=Y1. Branching out of an If/Then, For(, While, or Repeat loop with a Goto also can return this error because the End statement that terminates the loop is never reached. • You are unable to transmit an item because the receiving unit's available memory is insufficient. You may skip the item or exit receive mode. • During a memory backup, the receiving unit's available memory is insufficient to receive all items in the sending unit's memory. A message indicates the number of bytes the sending unit must delete to do the memory backup. Delete items and try again. You attempted to store to a window variable in another graphing mode or to perform an instruction while in the wrong mode; for example, DrawInv in a graphing mode other than Func. • The solve( function or the equation solver did not detect a sign change. • You attempted to compute æ when FV, (Ú...PMT), and PV are all , 0, or when FV, (Ú...PMT), and PV are all _ 0. • You attempted to compute irr( when neither CFList nor CFO is > 0, or when neither CFList nor CFO is < 0. In Real mode, the result of a calculation yielded a complex result. This error is not returned during graphing. The TI-84 Plus allows for undefined values on a graph. You attempted to enter, or you have calculated, a number that is beyond the range of the graphing calculator. This error is not returned during graphing. The TI-84 Plus allows for undefined values on a graph. Appendix B: Reference Information 396