https://github.com/zserge/awfice
https://htmlpreview.github.io/?https://github.com/zserge/awfice/blob/main/calc.html
origin - https://www.pipiscrew.com/?p=19264 minimal-office-suite
https://github.com/zserge/awfice
https://htmlpreview.github.io/?https://github.com/zserge/awfice/blob/main/calc.html
origin - https://www.pipiscrew.com/?p=19264 minimal-office-suite