Simple Calculator using MIT App Inventor

Heart felt thanks to my dear friends for your wishes and special thanks our PM, for making my birthday very special !

Released a YouTube video on Simple Calculator using MIT App Inventor to mark this day

ॐ सर्वे भवन्तु सुखिनः सर्वे सन्तु निरामया, सर्वे भद्राणि पश्यन्तु मा कश्चिद्दुःखभाग्भवेत्।