Big Calculator

a simple calculator for big numbers

Stelios Rantos · com.srantos.bigcalculator

Not rated yet 10K+ downloads v1.3.7 1007.1 KB Android 6.0+ PEGI 3 · Everyone

Download APK 1007.1 KB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.3.7 (7)
Updated: Jun 29, 2026 (3 months ago)
APK size: 1007.1 KB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Education (app)
Listed since: Oct 26, 2023 (at least)
Permissions: 1
Website: srantos.wordpress.com
Developer contact: [email protected]

About this APK

Big Calculator is an app by Stelios Rantos in the Education category, listed since at least October 2023. It has no native code, so it runs on any Android processor.

Since version 1.3.1, the minimum Android version rose from 4.0 to 6.0. It asks for 1 permission, none of them sensitive. It asks for the same permissions as version 1.3.2.

What's new in v1.3.7

code improvements updated for Android 16

Description

From the listing uploaded by “appupdater”.

Use this application to perform operations on big numbers. This is still an experimental project. You can cancel the calculations at any moment if a complex operation takes too long to complete.

Version history

3 versions are listed, going back to v1.3.1. Since v1.3.7 it requires Android 6.0+.

v1.3.7 LATEST Jun 29, 2026 1007.1 KB TRUSTED v1.3.2 Jun 16, 2026 922.2 KB TRUSTED v1.3.1 Jul 16, 2024 999.5 KB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 29, 2026.
Certificate issued to “Stelios Rantos” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jun 29, 2026
Validated against Google Play Jun 29, 2026
Signed byCN=Stelios Rantos, C=GR
Signing certificate (SHA-1)19:61:41:9C:53:1E:B7:44:E4:A7:8A:F1:84:48:76:67:47:D0:89:43
File MD514b6eccaa80d5553acb27d76a2905ca1
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (1)

Big Calculator requests 1 permission, none of them sensitive.

Internal broadcast protection (app-defined) com.srantos.bigcalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Required hardware & features

Basic touch input android.hardware.faketouch

Big Calculator APK: questions and answers

Is there a version of Big Calculator for older Android phones?

The current version needs Android 6.0 or later. Version 1.3.2 is the newest listed build that installs on Android 4.0 and later. Get version 1.3.2 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Big Calculator APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 14b6eccaa80d5553acb27d76a2905ca1.