This is my attempt at figuring what we can do with the FX991ES overflow. I hope to make the entry barrier for new people who want to tinker with their calculator a bit lower than it is right now by having more user-friendly tools and better documentation

These are the sources I looked at

• https://community.casiocalc.org/topic/7583-fx-82-83gt-115-991es-plus-hacking/?st=0
• http://casiocalc.wikidot.com/

• https://github.com/user202729/fxesplus
• https://github.com/ZaoHan415/fxesplus