Instructions
1Log on to your Windows computer. Click "Start" and "All Programs."
2
Click "Accessories," then "Calculator." The Calculator application will open.
3
Press "Num Lock" on your keyboard. This enables the number pad on the right-hand side of the keyboard to be used.
4
Enter numerical data into the Calculator using the number pad on the keyboard.
5
Click "File" and "Exit" to close the Calculator tool.