diff --git a/notebook/notes.txt b/notebook/notes.txt
index 12ec535..ffa56f8 100644
--- a/notebook/notes.txt
+++ b/notebook/notes.txt
@@ -11,6 +11,9 @@ to run tests:
     `python -m pytest`
     to generate test coverage:
         `pytest --cov --cov-report=html:coverage_re`
+    to test specific file/test:
+        `python -m pytest .\test\parse_exec_test.py -k test_running`
+    to show cli outputs: add `-o log_cli=true`
     to add new tests:
         add anydice code in `.\test\autoouts\fetch_in.py`
         `python .\test\autoouts\fetch.py --fetch`
diff --git a/src/__init__.py b/src/__init__.py
index 67c2f26..4899065 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.3.2.dev2'
+__version__ = '0.3.3'
 
 # core classes
 from .randvar import RV
diff --git a/src/factory.py b/src/factory.py
index d9b3003..0902e35 100644
--- a/src/factory.py
+++ b/src/factory.py
@@ -1,4 +1,4 @@
-from typing import Union, TYPE_CHECKING
+from typing import Union
 
 from .typings import T_if, T_ifsr, MetaRV
 from . import utils
diff --git a/src/output.py b/src/output.py
index 6226130..68f3730 100644
--- a/src/output.py
+++ b/src/output.py
@@ -9,7 +9,7 @@
 def output(rv: Union[T_isr, None], named=None, show_pdf=True, blocks_width=None, print_=True, print_fn=None, cdf_cut=0):
   if isinstance(rv, MetaSeq) and len(rv) == 0:  # empty sequence plotted as empty
     rv = blackrv.BlankRV()
-  if isinstance(rv, int) or isinstance(rv, bool):
+  if isinstance(rv, (int, float, bool)):
     rv = randvar.RV.from_seq([rv])
   elif isinstance(rv, Iterable):
     rv = randvar.RV.from_seq(rv)
diff --git a/src/parser/example_parse.py b/src/parser/example_parse.py
index ff9de7f..22a5ae4 100644
--- a/src/parser/example_parse.py
+++ b/src/parser/example_parse.py
@@ -6,6 +6,11 @@
 
 trials = [
   r'''
+A: {2*1..3}
+output(1dA)
+A: {(3.0*2.0)/1..(4.0*3.0)/1}
+output(1dA)
+
 A: {1d4, "water", "fire"}
 output(2dA)
 '''
@@ -30,7 +35,7 @@ def main(trials=trials):
       if to_parse is None or to_parse.strip() == '':
         logger.debug('Empty string')
         continue
-      lexer, yaccer = parse_and_exec.build_lex_yacc()
+      lexer, yaccer = parse_and_exec.build_lex_yacc(debug=False)
       parse_and_exec.do_lex(to_parse, lexer)
       if lexer.LEX_ILLEGAL_CHARS:
         logger.debug('Lex Illegal characters found: ' + str(lexer.LEX_ILLEGAL_CHARS))
diff --git a/src/parser/myparser.py b/src/parser/myparser.py
index 43f6f74..626f7c3 100644
--- a/src/parser/myparser.py
+++ b/src/parser/myparser.py
@@ -24,7 +24,7 @@
 tokens = ['PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'POWER',
           'COLON', 'LESS', 'GREATER', 'EQUALS', 'NOTEQUALS', 'AT',
           'HASH', 'OR', 'AND', 'EXCLAMATION',
-          'DOT', 'COMMA',
+          'DOT', 'DOUBLE_DOT', 'COMMA',
           'LPAREN', 'RPAREN', 'LBRACE', 'RBRACE', 'LBRACKET', 'RBRACKET',
           'LOWERNAME', 'UPPERNAME', 'NUMBER',
           'D_OP',
@@ -55,6 +55,7 @@
 t_AND = r'&'
 t_EXCLAMATION = r'!'
 
+t_DOUBLE_DOT = r'\.\.'
 t_DOT = r'\.'
 t_COMMA = r','
 
@@ -165,6 +166,7 @@ class NodeType(Enum):
     HASH = 'hash'
     GROUP = 'group'
     NUMBER = 'number'
+    NUMBER_DECIMAL = 'number_decimal'
     VAR = 'var'
     SEQ = 'seq'
     RANGE = 'range'
@@ -418,6 +420,7 @@ def p_funcname_def_param(p):
   ('right', 'HASH_OP'),  # 'HASH' (unary #) operator precedence
   ('right', 'EXCLAMATION'),  # Unary NOT operator (!) precedence
   ('right', 'UMINUS', 'UPLUS'),  # Unary minus and plus have the highest precedence
+  ('left', 'DOT'),  # Decimal point
 )
 
 
@@ -499,6 +502,13 @@ def p_term_number(p):
     p[0] = Node(NodeType.NUMBER, p[1])
 
 
+def p_term_number_decimal(p):
+    '''
+    term : NUMBER DOT NUMBER
+    '''
+    p[0] = Node(NodeType.NUMBER_DECIMAL, p[1], p[3])
+
+
 def p_term_name(p):
     '''
     term : var_name
@@ -541,9 +551,9 @@ def p_element(p):
 
 def p_range(p):
     '''
-    range : expression DOT DOT expression
+    range : expression DOUBLE_DOT expression
     '''
-    p[0] = Node(NodeType.RANGE, p[1], p[4])
+    p[0] = Node(NodeType.RANGE, p[1], p[3])
 
 
 def p_str_element(p):
@@ -615,7 +625,7 @@ def p_error(p):
 
 # BUILD
 
-def build_lex_yacc():
-    lexer = lex()
-    yaccer = yacc()
+def build_lex_yacc(debug=False):
+    lexer = lex(debug=debug)
+    yaccer = yacc(debug=debug)
     return lexer, yaccer
diff --git a/src/parser/parse_and_exec.py b/src/parser/parse_and_exec.py
index 22c68ba..d6c70e0 100644
--- a/src/parser/parse_and_exec.py
+++ b/src/parser/parse_and_exec.py
@@ -7,8 +7,8 @@
 logger = logging.getLogger(__name__)
 
 
-def build_lex_yacc():
-  lexer, yaccer = myparser.build_lex_yacc()
+def build_lex_yacc(debug=False):
+  lexer, yaccer = myparser.build_lex_yacc(debug=debug)
   lexer.LEX_ILLEGAL_CHARS = []
   lexer.YACC_ILLEGALs = []
   return lexer, yaccer
diff --git a/src/parser/python_resolver.py b/src/parser/python_resolver.py
index 38b9c5f..88b0bfe 100644
--- a/src/parser/python_resolver.py
+++ b/src/parser/python_resolver.py
@@ -99,7 +99,7 @@ def _indent_str(self, s: str):
 
     def resolve_node(self, node: Union['Node', 'str']) -> str:  # noqa: C901
         assert node is not None, 'Got None'
-        assert not isinstance(node, str), f'resolver error, not sure what to do with a string: {node}. All strings should be a Node ("string", str|strvar...)'
+        assert not isinstance(node, str), f'resolver error, not sure what to do with a string [{node}]. All strings should be a Node ("string", str|strvar...)'
 
         if node.type == NodeType.MULTILINE_CODE:
             return '\n'.join([self.resolve_node(x) for x in node]) if len(node) > 0 else 'pass'
@@ -120,6 +120,10 @@ def resolve_node(self, node: Union['Node', 'str']) -> str:  # noqa: C901
         elif node.type == NodeType.NUMBER:  # number in an expression
             assert isinstance(node.val, str), f'Expected str of a number, got {node.val}  type: {type(node.val)}'
             return str(node.val)
+        elif node.type == NodeType.NUMBER_DECIMAL:  # number in an expression
+            val1, val2 = node
+            assert isinstance(val1, str) and isinstance(val2, str), f'Expected str of a number, got {val1} and {val2}'
+            return f'{val1}.{val2}'
         elif node.type == NodeType.VAR:  # variable inside an expression
             assert isinstance(node.val, str), f'Expected str of a variable, got {node.val}'
             if self._COMPILER_FLAG_NON_LOCAL_SCOPE:
diff --git a/src/randvar.py b/src/randvar.py
index db3d7df..5f9f78b 100644
--- a/src/randvar.py
+++ b/src/randvar.py
@@ -121,7 +121,7 @@ def filter(self, obj: T_ifsr):
         return RV.from_const(0)
     vals, probs = zip(*vp)
     assert all(isinstance(p, int) for p in probs), 'should not happen'
-    probs_int: tuple[int] = probs  # type: ignore
+    probs_int: tuple[int] = probs  # type: ignore  assertion above
     return RV(vals, probs_int)
 
   def get_vals_probs(self, cdf_cut: float = 0):
@@ -213,9 +213,10 @@ def __rmatmul__(self, other: T_is):
     other = factory.get_seq([other])
     assert all(isinstance(i, int) for i in other._seq), 'indices must be integers'
     if len(other) == 1:  # only one index, return the value at that index
-      k: int = other._seq[0]  # type: ignore
+      k: T_if = other._seq[0]
+      assert isinstance(k, int), 'unsupported operand type(s) for @: float and RV'
       return self._source_die._get_kth_order_statistic(self._source_roll, k)
-    return _sum_at(self, other)  # type: ignore
+    return _sum_at(self, other)  # type: ignore  anydice_casting
 
   def _get_kth_order_statistic(self, draws: int, k: int):
     '''Get the k-th smallest value of n draws: k@RV where RV is n rolls of a die'''
diff --git a/src/roller.py b/src/roller.py
index 5828008..8864663 100644
--- a/src/roller.py
+++ b/src/roller.py
@@ -119,4 +119,4 @@ def myrange(left, right):
         raise TypeError(f'A sequence range must begin with a number, while you provided "{left}".')
     if isinstance(right, RV):
         raise TypeError(f'A sequence range must begin with a number, while you provided "{right}".')
-    return range(left, right + 1)
+    return range(int(left), int(right) + 1)
diff --git a/src/seq.py b/src/seq.py
index ab3c1e9..6cecf79 100644
--- a/src/seq.py
+++ b/src/seq.py
@@ -1,4 +1,4 @@
-from typing import Iterable, Callable, Union
+from typing import Iterable, Callable, Optional, Union
 from itertools import zip_longest
 import operator
 
@@ -11,11 +11,11 @@
 
 
 class Seq(Iterable, MetaSeq):
-  def __init__(self, *source: T_ifsr, _INTERNAL_SEQ_VALUE=None):
+  def __init__(self, *source: T_ifsr, _INTERNAL_SEQ_VALUE: Optional[tuple[T_if, ...]] = None):
     self._sum = None
     self._one_indexed = 1
     if _INTERNAL_SEQ_VALUE is not None:  # used for internal optimization only
-      self._seq: tuple[T_if, ...] = _INTERNAL_SEQ_VALUE  # type: ignore
+      self._seq: tuple[T_if, ...] = _INTERNAL_SEQ_VALUE
       return
     flat = tuple(utils.flatten(source))
     flat_rvs = [x for x in flat if isinstance(x, MetaRV) and not isinstance(x, blackrv.BlankRV)]  # expand RVs
diff --git a/test/parse_exec_test.py b/test/parse_exec_test.py
index 6966aca..c114a5c 100644
--- a/test/parse_exec_test.py
+++ b/test/parse_exec_test.py
@@ -2,6 +2,7 @@
 
 from dice_calc import RV, settings_set
 from dice_calc.parser import parse_and_exec
+from dice_calc.seq import Seq
 
 import logging
 
@@ -522,3 +523,43 @@ def check_res(x):
         i += 1
     pipeline(unbound_var_code[0], version=2, global_vars={'output': lambda x: check_res(x)})
     assert i == len(unbound_var_code[1])
+
+
+
+
+lst = [
+(r'''
+A: 1.5
+B: A*2
+C: {A, B}
+D: 2dC
+output(A)
+output(B)
+output(C)
+output(D)
+''', [1.5, 3.0, Seq(1.5, 3.0), RV([3.0, 4.5, 6.0], [1, 2, 1])]
+),
+(r'''
+A: {3.5*2.0..4.5*3.0}
+output(1dA)
+''', [RV([7, 8, 9, 10, 11, 12, 13], [1, 1, 1, 1, 1, 1, 1])])
+]
+@pytest.mark.parametrize("code,res", lst)
+def test_floats(code, res):
+    i = 0
+    def check_res(x):
+        nonlocal i
+        check(x, res[i])
+        i += 1
+    pipeline(code, version=1, global_vars={'output': lambda x: check_res(x)})
+    assert i == len(res)
+
+@pytest.mark.parametrize("code,res", lst)
+def test_floatsv2(code, res):
+    i = 0
+    def check_res(x):
+        nonlocal i
+        check(x, res[i])
+        i += 1
+    pipeline(code, version=2, global_vars={'output': lambda x: check_res(x)})
+    assert i == len(res)