Svelte-calculator

Design

Icon design figma.

Calculator design figma.

Design authored by Vatani Design under CC BY 4.0 license.

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Logic

Code of main logic in src/logic.

Calculator parse String for numbers([-+])?\\d+(?:[,.]\\d+)?), brackets([()]) and operator tokens(based on operators of calculator).

Brackets add priority to operators in this brackets.

During parsing can be added Mul operators or set sign of numbers.

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Try it

Demo

window.calc is instance of Calculator with default options.

window.Calculator is Calculator.

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Tests

For test math logic, tests written in jest.

Local app

To start local app run:

yarn
yarn dev