Matrix Calculator
v1.2 · 2.4 MB · code 3
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File information
UpdatedOct 31, 2024
PublishedAug 6, 2019
Packagecom.chrisg16.matrixcalculator
Versionv1.2 (3)
Size2.4 MB
MD591ba62da225a22100e1e60e02596a054
Min SDK11
Malware scanTRUSTED
Signature SHA19A:F5:91:79:FE:67:24:6A:AF:FB:9A:2D:BF:F4:3B:18:AF:00:C2:D9
SignerCN=Chris George, L=Reading, ST=Berkshire, C=UK
Total downloads1,240
This version1,240
DeveloperChris George
Age ratingEveryone
What's new in v1.2
Improve interface for larger devices
Security scan
TRUSTED
- Developer signature verified 2015-07-30
- Scanned for malware 2020-11-01 11:13:56
- Signature SHA1 9A:F5:91:79:FE:67:24:6A:AF:FB:9A:2D:BF:F4:3B:18:AF:00:C2:D9
- File MD5 91ba62da225a22100e1e60e02596a054
How to install Matrix Calculator v1.2 on Android API 11+
Takes about 2 minutes. You'll need roughly 2.4 MB of free storage.
- Grab com.chrisg16.matrixcalculator_3.apk — hit the Download button above (2.4 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 91ba62da225a2210…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.chrisg16.matrixcalculator_3.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=Chris George, L=Reading, ST=Berkshire, C=UK. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Matrix Calculator — tap Open on the install screen, or find the Matrix Calculator icon in your app drawer.
Common install errors for Matrix Calculator
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android API 11 or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.