Generate random return less than 0.01 always

Look At this:
for random length, i expect it to be 100 to 1000.
image
for random recipe:
image
for pass and fail:
image
The Gen Value is return from GenerateRandomNumber Command. It always stays on 0.00nn

Looks like the random recipe is working… others not.
I might use the sine function.
But GenerateRandomNumber is very weird, maybe because I am using softpac installed on Azure Cloud Virtual Windows?