HP 17bII 286

!The number entered cannot be interpreted as a proper date. Check its format (page 143).

!Attempted to set a date outside the range 1/1/2000 through 12/31/2099, or attempted date arithmetic outside the range 10/15/1582 through 12/31/9999.

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!The Solver cannot interpret the equation due to a syntax error. Refer to “What Can Appear in an Equation,” page 166.

!A variable’s name is invalid. Refer to “Names of Variables,” page 166.

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!Attempted to store into a built-in variable a number that is outside the range of values permitted for that variable.

!The number entered cannot be interpreted as a proper time.

!The appointment’s repeat interval is out of range.

!Attempted to enter a non-integer, negative number when specifying the number of displayed decimal places (in DSP).

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Attempted to calculate I%YR with N ≦ 0.99999 or N ≧ 1010.

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Calculation of IRR% produced a negative answer, but the calculator has determined that there is also a unique positive answer. (Refer to page 238.)