Office Calculator

Calculator with virtual tape, percentage and tax calculation.

taobits.net · net.taobits.officecalculator.android

5.0 out of 5 (1 rating) 1M+ downloads v5.4.1 2.9 MB Android 6.0+ PEGI 3 · Everyone

Download APK 2.9 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v5.4.1 (46)
Updated: Aug 28, 2026 (1 month ago)
APK size: 2.9 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Finance (app)
Listed since: Sep 2, 2021 (at least)
Permissions: 10
Website: plus.google.com/+TaobitsNet
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Office Calculator is an app by taobits.net in the Finance category, listed since at least September 2021. It has no native code, so it runs on any Android processor.

Since version 5.3.7, the APK grew from 2.5 MB to 2.9 MB and the minimum Android version rose from 4.4 to 6.0. It asks for 10 permissions, none of them sensitive. It asks for the same permissions as version 5.3.9. The app can read the advertising ID that ad and analytics services use.

What's new in v5.4.1

Optimized size of display Bug fix: Correct rendering of display for devices with Arabic scripts

Description

From the listing uploaded by “appupdater”.

Office Calculator is a calculator with a virtual tape. It supports commercial rounding, easy percentage calculation and does correct tax calculation. Install it on your device and you get the optimal calculator for office tasks. Virtual Tape You can switch between calculator view and and tape view to have a full screen view of the tape. Just tap on the tape icon to switch between views. The tape of the calculator can have up to 1000 lines. Corrections on the Tape Tape You can change values on the virtual tape to make corrections. For corrections go to the context menu of the tape line with a long press. Percentage Calculation The calculator has percent calculation to add or subtract percent values. The tape will display the percentage and the resulting value. Tax Calculation The calculator has tax buttons (TX+, TX-) to add or sub tract tax (sales tax, VAT) This makes it very easy to calculate tax amounts with the calculator. The tape will display the tax rate and the resulting value. Annotations on the Tape You can write a comment to a tape line. Fixed Point and Floating Point Calculation The fixed point arithmetic has 20 digits and 0 - 4 decimal places. The floating point arithmetic has 64 bits (IEEE double precision). By default, the calculator works with fixed point arithmetic and 2 decimal places as needed for most calculations with amounts. Rounding The calculator supports three rounding modes: up, down or 5/4. This is the ad-sponsored variant of Office Calculator, a Pro variant of Office Calculator without ads is also available.

Version history

4 versions are listed, going back to v5.3.7. Since v5.4.1 it requires Android 6.0+.

v5.4.1 LATEST Aug 28, 2026 2.9 MB TRUSTED v5.3.9 Aug 28, 2026 2.6 MB TRUSTED v5.3.8 Jun 8, 2024 2.5 MB TRUSTED v5.3.7 Feb 11, 2026 2.5 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 28, 2026.
Certificate issued to “taobits.net” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature not checked yet Aug 28, 2026
Validated against Google Play Aug 28, 2026
Signed byCN=Christof Vollrath, O=taobits.net, L=Berlin, ST=Berlin, C=DE
Signing certificate (SHA-1)38:15:44:1B:0B:D5:E7:30:79:A4:03:C1:46:88:49:FA:2C:0C:EE:B8
File MD50fbcf33cddd151e09f404c6f6e7c5973
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 (10)

Office Calculator requests 10 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) net.taobits.officecalculator.android.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Office Calculator APK: questions and answers

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

The current version needs Android 6.0 or later. Version 5.3.9 is the newest listed build that installs on Android 5.0 and later. Get version 5.3.9 · 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 Office 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 0fbcf33cddd151e09f404c6f6e7c5973.