Physics Formulas Free
v3.1 · 10.1 MB · code 11
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File information
UpdatedMay 23, 2016
PublishedSep 7, 2014
Packagecom.nsc.pf.free
Versionv3.1 (11)
Size10.1 MB
MD5e8fd205e9ff99a56a489b71763a2ffda
Min SDK11
Malware scanTRUSTED
Signature SHA19D:A0:FB:8F:D2:FD:9F:1E:AD:DF:5E:EC:65:1B:4F:6D:DD:16:DA:D7
SignerCN=John Nguyen, O=NSC, L=Sydney, ST=NSW, C=61
Total downloads1,000,000
This version1,000,000
DeveloperNSC Co.
Age ratingEveryone
What's new in v3.1
- Users can move the app to external SD card to free up internal storage.
- Correct some minor errors.
- Correct some minor errors.
Security scan
TRUSTED
- Developer signature verified 2025-08-28
- Scanned for malware 2020-04-06 05:24:55
- Signature SHA1 9D:A0:FB:8F:D2:FD:9F:1E:AD:DF:5E:EC:65:1B:4F:6D:DD:16:DA:D7
- File MD5 e8fd205e9ff99a56a489b71763a2ffda
How to install Physics Formulas Free v3.1 on Android API 11+
Takes about 2 minutes. You'll need roughly 10.1 MB of free storage.
- Grab com.nsc.pf.free_11.apk — hit the Download button above (10.1 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 e8fd205e9ff99a56…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.nsc.pf.free_11.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=John Nguyen, O=NSC, L=Sydney, ST=NSW, C=61. 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 Physics Formulas Free — tap Open on the install screen, or find the Physics Formulas Free icon in your app drawer.
Common install errors for Physics Formulas Free
- "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.