WRPN 16c

WRPN 16c is a programmable calculator modeled after the Hewlett-Packard HP-16c

Emmet Gray · com.emmetgray.wrpn

Not rated yet 100K+ downloads v7.1.2 5.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 5.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v7.1.2 (23)
Updated: Sep 12, 2025 (1 year ago)
APK size: 5.5 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Jul 11, 2021 (at least)
Permissions: 1
Website: wrpn.emmet-gray.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

WRPN 16c is an app by Emmet Gray in the Tools category, listed since at least July 2021. It has no native code, so it runs on any Android processor.

Since version 7.1.0, the minimum Android version rose from 4.1 to 6.0. It asks for 1 permission, none of them sensitive. It asks for the same permissions as version 7.1.1.

What's new in v7.1.2

New configuration property for selecting the number format Support globalization of number formats Implemented the Mantissa Display feature Programming-related functions act more like the physical calculator Many tweaks to Single Stepping function Fix for recording the Double Precision Remainder in a program file Fix reading BigInt values from a recorded XML file Fix error in Double Divide Implemented GSB I and GTO I

Description

From the listing uploaded by “appupdater”.

It uses Reverse Polish Notation (RPN), which uses the ENTER key instead of the "=" (equals) key. In addition to all the functions you'd expect from an ordinary calculator, WRPN 16c also has many features specifically designed for the computer professional: • Word sizes from 1-64 bits per word • Signed math (1's complement, 2's complement, unsigned) • Logical operators (and, or, xor, not, masks, etc) • Bit-wise operators (shift, rotate, rotate with carry, etc) • 32 storage registers • 4 position stack • 203 lines of program memory WRPN 16c is available on other platforms, such as Windows, MacOS, and Linux from the following web site http://www.wrpn.emmet-gray.com Note: The source code to WRPN 16c is also available!

Version history

3 versions are listed, going back to v7.1.0. Since v7.1.2 it requires Android 6.0+.

v7.1.2 LATEST Sep 12, 2025 5.5 MB TRUSTED v7.1.1 Aug 28, 2024 5.6 MB TRUSTED v7.1.0 Aug 6, 2024 5.6 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 12, 2025.
Certificate issued to “Home” 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 Sep 12, 2025
Validated against Google Play Sep 12, 2025
Signed byCN=Emmet Gray, O=Home, L=Harker Heights, ST=TX
Signing certificate (SHA-1)3E:25:7C:C5:51:C3:97:CB:E6:2A:E2:C2:87:1E:0C:2F:0F:23:EB:6F
File MD5a34f90dd55895333870e02d8cb3f6f99
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)

WRPN 16c requests 1 permission, none of them sensitive.

Full network access android.permission.INTERNET

Required hardware & features

Basic touch input android.hardware.faketouch

WRPN 16c APK: questions and answers

Is there a version of WRPN 16c for older Android phones?

The current version needs Android 6.0 or later. Version 7.1.1 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 7.1.1 · 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 WRPN 16c 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 a34f90dd55895333870e02d8cb3f6f99.