Invalid feet inch format using 'cal

[s19odin52]

I was working through a tutorial on the use of the Autocad calculator and I am getting an invalid feet inch format message. The expression is: [@12'6-5/8"+115-3/4"<45] and I have tried several variations and still get the same message. Anyone know why?

Thanks in advance.

[Steve_Bennett]

Which version of acad are you refering to?

[s19odin52]

It is AutoCAD 2005.

[RobertB]

>> Expression: [@12'6"+(5/8)+115+(3/4)<45]
(231.206 211.106 0.0)

Fractions have always given Cal fits.

[Steve_Bennett]

Speaking of having fits - I bet he'll be having one once he learns about the new calculator in acad2006!!!

[s19odin52]

Thanks again for the help.

Steve