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F-4 Messages

   SOLVE (include EQN and PGM mode)cannot find the

root of the equation using the current initial guesses (see

page ). These conditions include: bad guess, solution

not found, point of interest, left unequal to right. A

SOLVE operation executed in a program does not

produce this error; the same condition causes it instead

to skip the next program line (the line following the

instruction  variable).

 Warning (displayed momentarily); the magnitude of a

result is too large for the calculator to handle. The

calculator returns ±9.99999999999E499 in the current

display format. (See "Range of Numbers and Overflow"

on page .) This condition sets flag 6. If flag 5 is set,

overflow has the added effect of halting a running

program and leaving the message in the display until

you press a key.

  Indicates the "top" of program memory. The memory

scheme is circular, so   is also the "line" after

the last line in program memory.





The calculator is running an equation or program (other

than a SOLVE or ∫FN routine).

  Attempted to execute  variable or ∫  d variable

without a selected program label. This can happen the

first time that you use SOLVE or ∫ FN after the message

 , or it can happen if the current label

no longer exists.

  A running program attempted to select a program label

(label) while a SOLVE operation was running.

 A running program attempted to solve a program while

a SOLVE operation was running.

∫  A running program attempted to integrate a program

while a SOLVE operation was running.

 The calculator is solving an equation or program for its

root. This might take a while.

 Attempted to calculate the square root of a negative

number.

HP 35s User Manual

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