Equation Editor and Q&A Forum
v2.281 · 3.1 MB · code 2281
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File information
UpdatedJun 15, 2023
PublishedFeb 16, 2021
Packagecom.tinkutara.mathchat
Versionv2.281 (2281)
Size3.1 MB
MD5cdd5dfaebc70b806bb2250e85e3923b9
Min SDK19
Malware scanTRUSTED
Signature SHA118:09:4C:60:0E:C9:55:BA:8A:6A:99:0D:79:DD:05:18:30:5B:F7:ED
SignerCN=Deepti Jain, OU=SchoolNextIndia, O=SchoolNextIndia, L=Hyderabad, ST=Andhra Pradesh, C=IN
Total downloads500,000
This version500,000
DeveloperTinkutara
Age ratingEveryone
What's new in v2.281
Add support for offline Generation of Latex and Plain Text from typed equation.
Security scan
TRUSTED
- Developer signature verified 2023-06-15
- Signature SHA1 18:09:4C:60:0E:C9:55:BA:8A:6A:99:0D:79:DD:05:18:30:5B:F7:ED
- File MD5 cdd5dfaebc70b806bb2250e85e3923b9
How to install Equation Editor and Q&A Forum v2.281 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 3.1 MB of free storage.
- Grab com.tinkutara.mathchat_2281.apk — hit the Download button above (3.1 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 cdd5dfaebc70b806…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.tinkutara.mathchat_2281.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=Deepti Jain, OU=SchoolNextIndia, O=SchoolNextIndia, L=Hyderabad, ST=Andhra Pradesh, C=IN. 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 Equation Editor and Q&A Forum — tap Open on the install screen, or find the Equation Editor and Q&A Forum icon in your app drawer.
Common install errors for Equation Editor and Q&A Forum
- "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 4.4 KitKat 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.