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A simple calculator app built with Jetpack Compose. It uses mXparser as it's expression evaluator by default, but has one built-in with limited capability for learning purposes which includes infix to postfix converter.

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Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
.idea		.idea
app		app
assets		assets
gradle		gradle
.gitignore		.gitignore
README.md		README.md
build.gradle.kts		build.gradle.kts
gradle.properties		gradle.properties
gradlew		gradlew
gradlew.bat		gradlew.bat
settings.gradle.kts		settings.gradle.kts

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Kalkulator

A simple calculator app built with Jetpack Compose. It uses mXparser as it's expression evaluator by default, but has one built-in with limited capability for learning purposes which includes infix to postfix converter.

Features

Basic arithmetic operations
Copy Result (on long click)
Dynamic theme on Android 12+ & Light/Dark Mode
History View (save and access past calculations)
Calculator Configuration (Decimal, Thousand Separator, Precision)
Theme switcher
Flexible Layout (adaptive for landscape, tablet, foldable devices)

Preview

Light Theme

kalkulator-light-theme.mp4

Dark Theme

kalkulator-dark-theme.mp4

Tech Stack

JDK 1.8
Kotlin 1.9.22
Min SDK 23
Compiles & Target SDK 34
Jetpack Compose (BOM 2024.02.00)
Gradle Version Catalog for dependencies management
Koin for dependency injection
Jetpack Lifecycle
mXparser for mathematical expression parsing and evaluation
Material3 for UI components

About

A simple calculator app built with Jetpack Compose. It uses mXparser as it's expression evaluator by default, but has one built-in with limited capability for learning purposes which includes infix to postfix converter.

kotlin android-app calulator jetpack-compose

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