【實用工具app】Calculator with paper tape|最夯免費app-綠色工廠好玩App

This is a simple and usefull application. Have it,your calculations will become more simple、more accurate.Use this calculator you can see the calculation of each step.More importantly,you can select any of these step to edit(modify,delete or add a coment),the calculation result are automatically updated.This software has a number of themes for you to choose.Download now and see how helpful this calculator is.Features:- Simple to operate, fast and accurate- Can view each step with paper tape- Can edit the selected steps- Quick change the theme- Long-term preservation of historical records- Quickly export data via email