HP HP-18C - Page 198

EF.:F.:OF.:: LOGAF.: I THt'1 (t·1EG)
Attempt to take the base 10 or natural log of a negative number .*
E F:F.: OF.: : LOGAF.: I THN ( 0)
Attempt to take the base 10 or natural log of 0.*
Attempt to raise a negative number to a non-integer power .
EF.:F.:OF:: O' .... EF.:FLO~·l
An internal result in a calculation was too large for the HP-18C to
handle.
E F.:F.: OF.: : SOF.:T (t·1EG)
Attempt to take the square root of a negative number .
E F.: F.: 0 F.: : UtWEF.:FLO~·l
An internal result in a calculation was too small for the HP-18C to
handle.
EF.:F.:OF.:: ~)·····t-lEG
Attempt to raise 0 to a negative power.
* Th ese erro rs can occ ur durin g forecasting calculation s:
• Attempt to calculate a logarithmic forecasting mod el with a negative or zero x-valu e.
• Attempt to calculate an exponential forecasting model with a negative or zero y-value.
•
Attempt to calculate a power forecasting model with a negativ e or zero
x- a nd /or y-value.
196 D: Error Messages