Energy Converter

A handy app to convert between energy units.

Supported energy units:
* Joule
* Kilojoule
* Calorie
* Kilocalorie
* Watt hour
* Kilowatt hour
* Electronvolt
* British thermal unit (BTU)
* Therm (US)
* Foot pound

"Flip" button to easily switch between the "from" and "to" units.

Supports fractions.

Results are shown in the decimal and fractional forms.

App's Settings:

- Rounding to the specified number of decimal places: for decimal numbers, you can select the number of decimal places you want to display. By default, the app displays 2 decimal places.
To round results to the nearest whole number, select 0 decimal places.

- For fractions, you can select rounding to the nearest 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256. By default, the app rounds fractions to the nearest 1/32.
If you do not need to round fractions, just select "-".

Sends results and history via email.

Conversion history.

Supports both portrait and landscape orientation.