Steps for Android
1) On your Android device download the file com.Revsoft.Wabbitmu.noads-1.apk
2) On you Android device download the file
TI84Plus_SE_2.55mp.rom
3) Open the “com.Revsoft.Wabbitmu.noads-1.apk” file from step one, and follow the on screen instructions to install the app.
4) Open the Wabbitemu app on your Android device. Choose “I already have a ROM file” and press “Next”.
5) Choose the “TI84Plus_SE_2.55mp.rom” file from step two. It may look something like “/storage/emulated/0/Download/TI84Plus_SE_2.55mp.rom”
6) Use the “Settings” in the Wabbitemu app to customize the look and feel of your new TI-84 Plus Silver Edition calculator.
Steps for iPhone
*Unfortunately there is no TI-84 emulator for iOS. However, you can install the free “Graphing Calculator by Desmos” app.
Steps for Web Browser
1) Download the file TI84Plus_SE_2.55mp.rom
2) Visit https://www.cemetech.net/projects/jstified/ and click “I agree”
3) Click “Choose File” and open the TI84Plus_SE_2.55mp.rom file that was downloaded in step 1.4) You should now be able to use the on screen calculator.