The following type characters can be used to force a literal value to be a certain data type
"a"c 'Char
#1/1/1900# 'Date
0D 'Decimal
0@ 'Decimal
0.0R 'Double
0.0# 'Double
0I 'Integer
0% 'Integer
0L 'Long
0& 'Long
0S 'Short
0.0F 'Single
0.0! 'Single
See MSDN for more details