####################
# Validate basic expressions
1.5
1.666667
2
1
1.667
4
4
2
0.5
49
0
4
-10
-2
-8

####################
# Validate some integral computations
1
10
100
1000
1000000000000000
100000000000000
-1000000000000000
0
2
500000000000000

####################
# Validate how variables in an expression are handled
1
2
-4.5
-4

####################
# Validate math error reporting