[DD electricity rate calculator]
I first applied the 2020 plan and it is still being updated.
The error is reduced by applying all the calculation methods that change little by time.
The calculation is more convenient by adding the function to remember the previous month's accumulated usage.

[function]
I applied the latest plan.
We support summer discount rates, temporary welfare discounts, and childbirth furniture discount systems.
It supports high pressure and low pressure, and can be used not only for maternity furniture,
We also provide welfare discounts for the merit, the disabled, basic living, and the next generation.

[How to use]
After installing the app, click the banner at the top and a friendly guide will appear.