Cross-platform calculator

elcalc logo

elcalc Build Status XO code style Mentioned in Awesome Calculators

Elcalc is a cross-platform calculator, built with Electron. It is fast, intuitive and can be used as an alternative for the default system calculator. It supports basic arithmetic operations, as well as some scientific functions.


Check out the latest release.

Download elcalc


I recommend using yarn instead of npm.


# Install dependencies

 $ yarn install

# Run the app

 $ yarn start
# Run lint & tests

 $ yarn test
# Build 

 $ yarn dist

Keyboard Support

Key Description
1, 2, 3, 4, 5, 6, 7, 8, 9, 0 Type numbers
+, -, * or x, /, . Type symbols
Enter or Return Evaluate equation
Backspace or Delete Clear calculator output




Something missing? Edit this app.

Keyboard Shortcuts

Key Action
/ Focus the search bar
Esc Focus the search bar and cleans it
Select the next search result
Select the previous search result
Enter Open the selected search result
cmdEnter Ctrl+Enter Open the selected search result in a new tab