>>>>Hi everybody,
>>>>
>>>>I have the following error message text:
>>>>
>>>>"Credit Limit must be a number greater or equal than 0" (this error message is shown in angularJs web form).
>>>>
>>>>I am a bit concerned about than 0 part. If there would not be 'equal' part, then 'than' sounds OK. But with added 'equal' I am not exactly sure about this error message.
>>>>
>>>>Can you please tell me if this is OK and if not, how it should be formulated?
>>>>
>>>>Thanks in advance.
>>>
>>>Usually that is written as greater than or equal to 0. It's why the code is written >= 0.
>>
>>So, the correct error message text will be
>>
>>'Credit Limit must be a number greater than or equal to 0.'
>>
>>Right?
>
>It's really unfortunate that some things end up becoming a debate. I prefer science. There is plenty of science involved in reading levels of text. There is Flesch-Kincaid grade level scoring built into MS Word.
>
>"The amount must be greater than or equal to zero." Reading level 4.8
>
>"The amount must not be negative." Reading level 7.6
>
>Clearly the second sentence is for a more sophisticated audience by almost 3 grade levels.

I would prefer "The amount must be positive, or zero."