DSST Only Allows 4 Function Calculators

[AGS]

What are "factory" functions? Not as if most people are going to mod their calculator to deviate from factory specifications...I'm still confused... Is memory like M+ to store/program into the calculator a single integer on the basic calculators? Every single of my most basic calculators have this function. Finding one without the M+ feature would be akin to trying to buy a car without air conditioning.

Edit:
I've e-mailed the proctor at the location where I'd be taking DSSTs. I figure if I can't get a definitive or fully coherent answer from DSST, maybe I can get a firm approval or negative from the people that actually administer the exams.

Edit Edit:
Follows is the reply:

"My understanding is that no calculators are allowed in the testing room. If you are allowed to use a calculator for one of the DSST exams, one will be available on the computer. I will do some research on this and get back to you."

So they don't really know either, but will hopefully figure it out for me.

i am going to take the paper and pencil test rather than the computer exam ...

even if i have to wait for 2 weeks .......

thats so ridiculous not allowing a simple calculator into the exam room .....

i mean you can get those small dink radio shack calculators with no programmable function keys ......

wow ....