Are percentage apparatus errors also systematic errors?
No, they are accidental errors (or insecurities). The percentage (or absolute) insecurity written on an apparatus means the following: The true value lies within the error bandwidth around the measured value with a certain probability (and not for sure); but I don't know what the standard value for this probability is, maybe 80 or 90 percent.SHM said:Are percentage apparatus errors also systematic errors?
Since you don't know them you cannot include them into error calculations. Of course you also don't know your particular accidental errors, but you do know more or less how big they are and, which is very important, that they are Gauss-displaced.Is it possible to do calculations for systematic errors?