What to do when space and comma keys are not displayed on the Samsung keyboard
(Sep 17, 2020)
On Samsung 10 keyboard, space, comma and minus keys may not be displayed as shown below.
[Samsung 10 keyboard]
In this app, the comma and space are required to separate numbers. The minus key is required for entering negative numbers.
If you install Gboard (Google Keyboard) from the Play Store and set it to the default, space, comma and minus will appear as shown below.
[Google 10 keyboard]
You can select another keyboard from the keyboard button (arrow) at the bottom right of the screen that appears while using the keyboard.