See screenshot below where I circled in blue (screenshot is for a 145" screen though)...
So the minimum is less for a 130" 2.40, so about 14 feet (and this is what the calculator would show for a 130"), but you never really want to mount a PJ right at the minimum unless you are forced due to room issues. Now in the screenshot, I entered your old size (145"), but you can try this for your new size (130") and it should come to 14 feet. I would say mount it so the lens / front of projector is mounted at about 14 feet 6 inches from the screen, this should maximize lumens for that screen size.
If you are getting different results than above, please let us know your browser version and post a screenshot in this thread. Thanks...
You determine the minimum throw distance in the calculator by setting the desired screen size and aspect ratio. So set the screen size on the right to 130" and aspect to 2.35/2.40. The minimum throw is therefore shown as the right number under the slider (the number circled in blue on the right). You can move the little ball in the middle of the slider to the right or left. Watch the video at the top of this thread for more info.
I believe the calculator is correct, so let me explain how.
Be careful not to look ONLY at the mid-zoom position, because the closest throw is to the right. By default, the calculator starts at Mid-Zoom (look at slider you can move it farther right). The number you quoted is about the middle of the throw range, not the closest or farthest you can go.
To define the ceiling position:
You must first enter your ceiling height on the right blue box, and enter the screen height / distance from floor. The calculator does correctly calculate ceiling distance, if you enter those numbers correctly, and it will take into account lens shift positions.
Also, one other distinction to note:
Another confusion could be because Lens Memory means going back and forth between 16:9 and 2.35/2.40 content, so if someone is sticking with pure 2.35/2.40, they will have a larger placement variety. The reason for the further restricted placement in the calculator is that people would not be able to use LENS Memory to go back and forth between 16:9 and 2.35/2.40 content optimally to stay within the bounds of the programmed lens memory.
I probably should add a "2.35/2.40" NO LENS Memory / Native Screen option. The confusion in doing this though is that it would also have to make certain assumptions. Ceiling height does not affect throw distance with projectors, depending on obstacles in the room of course and the screen position (Which my calc does make note of)...