formula round(L*0.08) for family paramter not accepted

[heichan88]

Hello，

I input a formula =

round(L*0.08)

for a value round down but responded as "unit not identical"

Please advice 

Thanks

[RDAOU]

Check the type is the parameter you are adding the formula to and the type of the parameter L? Are they length or number?

[heichan88]

this L is itentical to other normal parameters (length, type...)

and once I add "round"  to other parameters, same message appear so that means the script is the problem

see enclosed

[RDAOU · Accepted solution]

@heichan88 

Sorry I am receiving and replying to posts via email so I cannot see attachments

To round up length you need to 

1. first neutralize it (make it unitless) >>

2. round it up or down >>

3. then reapply the units ...

Use the formula below (replace mm for inch or feet or whichever units you use/need)

round((L * 0.08) / 1 mm) * 1 mm

You can replace round with roundup or rounddown whichever is convenient 

[heichan88]

it is done

Thanks RDAOU