Open Source Notices

Calculator 10

These notices identify open-source software used by Calculator 10. Each component remains subject to its own copyright notice and license.

Android Foundation

• AndroidX - AppCompat, Core, Fragment, Room, RecyclerView, ConstraintLayout, ViewPager, and related libraries resolved by the 1.4.0 Android build; Apache-2.0 License.
• Material Components for Android 1.14.0 - Apache-2.0 License.
• Kotlin 2.4.10 toolchain and standard library - Apache-2.0 License.

Networking And Data

• Volley 1.2.1 - Apache-2.0 License.
• Gson 2.14.0 - Apache-2.0 License.

Calculation Libraries

• EvalEx 2.7 - MIT License.
• Apfloat for Java 1.16.0 - LGPL-2.1-or-later.
• big-math 2.3.2 - MIT License.

UI And Helper Components

• NumberProgressBar 1.4 - MIT License.
• KeyboardlessEditText, embedded and locally maintained - MIT License.
• Menu icons credited in the app to Icons8 remain subject to the provider's applicable terms.

App Services

The release also integrates Google Play services, Google Mobile Ads, Google User Messaging Platform, Firebase, and Google Play Billing under Google's applicable SDK terms. NorthjadeKit Android is Northjade's locally maintained application foundation.

Reference Data

Exchange-rate reference data is provided by Frankfurter from European Central Bank data.

License Texts

• AndroidX, Material Components, Kotlin, Volley, and Gson: Apache License 2.0.
• EvalEx, big-math, NumberProgressBar, and KeyboardlessEditText: MIT License.
• Apfloat for Java: GNU LGPL 2.1 or a later version.

About These Notices

These notices identify shipped third-party package license obligations for Calculator 10. Privacy disclosures for purchases, ads, consent, analytics, and diagnostics belong in the app Privacy Policy and Google Play data-safety answers.