Long Division Calculator - Long Multiplication
v3.0 · 1.7 MB · code 21
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File information
UpdatedSep 15, 2021
PublishedAug 31, 2021
Packagecalculator.division.multiplication.schoolcalc
Versionv3.0 (21)
Size1.7 MB
MD519cbec7f0d88f5d232a83a1dd6cfd59d
Min SDK24
Malware scanTRUSTED
Signature SHA13D:9A:F4:06:D2:19:DE:72:D6:C6:3C:E8:C4:84:FF:B5:F2:88:64:3C
SignerCN=Pantelis Bouboulis, OU=ArchSoft Mobile, O=ArchSoft, L=Pireas, ST=Greece, C=GR
Total downloads1,000,000
This version1,000,000
DeveloperSTEMath
Age ratingEveryone
What's new in v3.0
bug-fixes
Security scan
TRUSTED
- Developer signature verified 2021-09-15
- Scanned for malware 2021-09-15 21:11:16
- Signature SHA1 3D:9A:F4:06:D2:19:DE:72:D6:C6:3C:E8:C4:84:FF:B5:F2:88:64:3C
- File MD5 19cbec7f0d88f5d232a83a1dd6cfd59d
How to install Long Division Calculator - Long Multiplication v3.0 on Android 7.0 Nougat+
Takes about 2 minutes. You'll need roughly 1.7 MB of free storage.
- Grab calculator.division.multiplication.schoolcalc_21.apk — hit the Download button above (1.7 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 19cbec7f0d88f5d2…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find calculator.division.multiplication.schoolcalc_21.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=Pantelis Bouboulis, OU=ArchSoft Mobile, O=ArchSoft, L=Pireas, ST=Greece, C=GR. 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 Long Division Calculator - Long Multiplication — tap Open on the install screen, or find the Long Division Calculator - Long Multiplication icon in your app drawer.
Common install errors for Long Division Calculator - Long Multiplication
- "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 7.0 Nougat 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.