Added Solar radius and Earth radius
Improvement Caret, when stop blinking (\HKEY_CURRENT_USER\Control Panel\Desktop\CaretTimeout=5000ms by default) Hide and Show newly
Moved product implicit before division
Added initial logger
Bug fixed: for operator =. draw second node as product
Bug fixed: nnPrnths can be zero
Added units as prefix and postfix when convert magnitude to string.
Windows: deprecated strcpy and strncpy