Calculus Tools

Math application that solves problems and graphs things

schwiz · com.andymc.derivative

Not rated yet 4.8K downloads v1.3.5 743.9 KB Android 2.1+ PEGI 3 · Everyone

Download APK 743.9 KB All versions

The source store flagged this file with a security warning Details

At a glance

Latest version: v1.3.5 (135)
Updated: Jan 20, 2013 (13 years ago)
APK size: 743.9 KB
Requires: Android 2.1+ (API 7)
CPU support: Any (no native code)
Category: Tools (app)
Permissions: 2 (1 sensitive)
Website: andymcsherry.com
Developer contact: [email protected]

About this APK

Calculus Tools is an app by schwiz in the Tools category. It has no native code, so it runs on any Android processor.

It asks for 2 permissions, 1 of them sensitive: modify shared storage.

Description

From the listing uploaded by “stav888”.

Math application that finds derivatives, computes definite integrals, arc lengths, finds Taylor series, plots graphs of functions, including polar and parametric and slope fields. Also includes integral tables and custom keyboard. Math application that finds derivatives, computes definite integrals, arc lengths, finds Taylor series, plots graphs of functions, including polar and parametric and slope fields. Also includes integral tables and custom keyboard.

Security & authenticity

Security rating: Warning

Signing certificate

Signature matches the Google Play version Checked by the source store on Jan 30, 2013.
Certificate issued to “Andyland” This is the certificate of the Google Play version.

Store checks and file details

Developer signature check failed Mar 7, 2025
Validated against Google Play Jan 30, 2013
Antivirus scan passed Nov 10, 2020
Signed byCN=Andrew McSherry, OU=Andyland, O=Andyland, L=Dayton, ST=OH, C=US
Signing certificate (SHA-1)7B:E9:4B:8F:93:3B:34:8D:49:3F:52:11:F1:DC:8E:28:E9:F9:79:4E
File MD5b2c468357b1f8c1c11e63638a82b32b6
Uploaded by “stav888” Silver tier · 36,718 followers · uploading since 2011

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

Permissions (2)

Calculus Tools requests 2 permissions, 1 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Control vibration android.permission.VIBRATE

Required hardware & features

Touchscreen android.hardware.touchscreen

Calculus Tools APK: questions and answers

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 Calculus Tools APK safe?

No one can promise that a file is safe, but some things can be checked. The source store flagged this file with a security warning. Its signature matches the Google Play version. After downloading, check that the file's MD5 is b2c468357b1f8c1c11e63638a82b32b6.