F1e308

Results 5 issues of F1e308

I enter return new ExpantaNum("10{1000000}10").toHyperE(); It use few second and result: E10#0#1...(a lot of #1)...#1#11#9...(a lot of #9)...#9

enhancement

![image](https://user-images.githubusercontent.com/54700438/103745587-b3374080-503a-11eb-9543-d6fb05fa9ea2.png) It lose precision by a lot

bug
awaiting confirmation