I think I remember this - from many moons ago, and forgot the possible workaround...
This must be a local global variable that cannot be accessed or exposed, since it is not being saved on the drawing nor on the registry - if you set up an angle it will be in use until you close the drawing session, next time it will go back to 0.0
my -2.0 pesos that today is at the rate of 14.0/per dollar (those 14.0 pesos were $1,120 USD in 1976)