diff --git a/deps.edn b/deps.edn
index 82cb9b9..1948659 100644
--- a/deps.edn
+++ b/deps.edn
@@ -1,6 +1,7 @@
 {:extra-paths ["data"]
  :deps {org.clojure/clojure              {:mvn/version "1.10.3"}
         techascent/tech.ml.dataset       {:mvn/version "6.002"}
-        
+        meander/epsilon                  {:mvn/version "0.0.602"}
         ;; generateme/fastmath {:mvn/version "2.1.0"}
-        }}
+        }
+ :aliases {:test {:extra-deps {midje/midje {:mvn/version "1.9.9"}}}}}
diff --git a/src/tablecloth/api.clj b/src/tablecloth/api.clj
index 7630cd7..63cb95e 100644
--- a/src/tablecloth/api.clj
+++ b/src/tablecloth/api.clj
@@ -1,6 +1,10 @@
 (ns tablecloth.api
-  (:refer-clojure :exclude [group-by drop concat rand-nth first last shuffle])  
-  (:require [tech.v3.datatype.export-symbols :as exporter]))
+  (:refer-clojure :exclude [group-by drop concat rand-nth first last shuffle
+                            max min + - * / <= < >= > = not= bit-xor unsigned-bit-shift-right quot bit-test
+                            bit-and rem bit-or bit-flip bit-shift-left bit-clear bit-shift-right bit-set
+                            bit-and-not bit-not identity and even? neg? not odd? or pos? zero?])
+  (:require [tech.v3.datatype.export-symbols :as exporter]
+            [tablecloth.api.operators :as op]))
 
 (exporter/export-symbols tech.v3.datatype
                          clone)
@@ -160,3 +164,104 @@
        (unmark-group)
        ~@r
        (mark-as-group)))
+
+;; operators
+
+(exporter/export-symbols tablecloth.api.operators
+                         *
+                         +
+                         -
+                         /
+                         =
+                         <
+                         <=
+                         >
+                         >=
+                         abs
+                         acos
+                         and
+                         asin
+                         atan
+                         atan2
+                         bit-and
+                         bit-and-not
+                         bit-clear
+                         bit-flip
+                         bit-not
+                         bit-or
+                         bit-set
+                         bit-shift-left
+                         bit-shift-right
+                         bit-test
+                         bit-xor
+                         cbrt
+                         ceil
+                         cos
+                         cosh
+                         cummax
+                         cummin
+                         cumprod
+                         cumsum
+                         descriptive-statistics
+                         emax
+                         emin
+                         eq
+                         even?
+                         exp
+                         expm1
+                         finite?
+                         floor
+                         get-significand
+                         hypot
+                         identity
+                         ieee-remainder
+                         infinite?
+                         kendalls-correlation
+                         kurtosis
+                         log
+                         log10
+                         log1p
+                         logistic
+                         mathematical-integer?
+                         max
+                         mean
+                         median
+                         min
+                         nan?
+                         neg?
+                         next-down
+                         next-up
+                         not
+                         not=
+                         not-eq
+                         odd?
+                         or
+                         pearsons-correlation
+                         percentiles
+                         pos?
+                         pow
+                         quartile-1
+                         quartile-3
+                         quartile-outlier-fn
+                         quartiles
+                         quot
+                         rem
+                         rint
+                         round
+                         signum
+                         sin
+                         sinh
+                         skew
+                         spearmans-correlation
+                         sq
+                         sqrt
+                         standard-deviation
+                         sum
+                         tan
+                         tanh
+                         to-degrees
+                         to-radians
+                         ulp
+                         unsigned-bit-shift-right
+                         variance
+                         zero?)
diff --git a/src/tablecloth/api/operators.clj b/src/tablecloth/api/operators.clj
new file mode 100644
index 0000000..a6867be
--- /dev/null
+++ b/src/tablecloth/api/operators.clj
@@ -0,0 +1,46 @@
+(ns tablecloth.api.operators
+  (:refer-clojure :exclude [max min + - * / bit-xor unsigned-bit-shift-right quot bit-test
+                            bit-and rem bit-or bit-flip bit-shift-left bit-clear bit-shift-right bit-set
+                            bit-and-not bit-not identity < <= > >= = not= and even? neg? not odd? or pos? zero?])
+  (:require
+   [tech.v3.datatype.unary-op :as unary-op]
+   [tech.v3.datatype.binary-op :as binary-op]
+   [tech.v3.datatype.unary-pred :as unary-pred]
+   [tech.v3.datatype.binary-pred :as binary-pred]
+   [tech.v3.datatype.functional :as dfn]
+   [tech.v3.datatype.export-symbols :as exporter]
+   [tablecloth.api.utils :as u]))
+
+(u/defalias = tech.v3.datatype.functional/eq)
+(u/defalias not= tech.v3.datatype.functional/not-eq)
+(u/defalias emax tech.v3.datatype.functional/reduce-max)
+(u/defalias emin tech.v3.datatype.functional/reduce-min)
+
+(exporter/export-symbols
+ tech.v3.datatype.functional
+ sum
+ cumsum
+ cummin
+ cummax
+ cumprod
+ descriptive-statistics
+ variance
+ standard-deviation
+ median
+ skew
+ mean
+ kurtosis
+ quartile-1
+ quartile-3
+ pearsons-correlation
+ spearmans-correlation
+ kendalls-correlation
+ percentiles
+ quartiles
+ quartile-outlier-fn
+ ;; (->> (concat (keys binary-op/builtin-ops) (keys unary-op/builtin-ops)
+ ;;              (keys binary-pred/builtin-ops) (keys unary-pred/builtin-ops))
+ ;;      (map (comp symbol name))
+ ;;      (distinct)
+ ;;      (sort))
+ * + - / < <= > >= abs acos and asin atan atan2 bit-and bit-and-not bit-clear bit-flip bit-not bit-or bit-set bit-shift-left bit-shift-right bit-test bit-xor cbrt ceil cos cosh eq even? exp expm1 finite? floor get-significand hypot identity ieee-remainder infinite? log log10 log1p logistic mathematical-integer? max min nan? neg? next-down next-up not not-eq odd? or pos? pow quot rem rint round signum sin sinh sq sqrt tan tanh to-degrees to-radians ulp unsigned-bit-shift-right zero?)
diff --git a/src/tablecloth/api/utils.clj b/src/tablecloth/api/utils.clj
index 5ad0667..41c6d7e 100644
--- a/src/tablecloth/api/utils.clj
+++ b/src/tablecloth/api/utils.clj
@@ -175,3 +175,19 @@
   ([ds f parallel?]
    (ds/add-or-update-column ds :data ((if parallel? pmap map) f (ds :data)))))
 
+;; https://github.com/ptaoussanis/encore/blob/master/src/taoensso/encore.cljc#L406
+(defmacro defalias
+  "Defines an alias for qualified source symbol, preserving its metadata (clj only):
+    (defalias my-map-alias clojure.core/map)
+
+  Cannot alias Cljs macros.
+  Changes to source are not automatically applied to alias."
+  ;; TODO Any way to reliably preserve cljs metadata? See #53, commit 2a63a29, etc.
+
+  ([    src      ] `(defalias ~(symbol (name src)) ~src nil))
+  ([sym src      ] `(defalias ~sym                 ~src nil))
+  ([sym src attrs]
+   (let [attrs (if (string? attrs) {:doc attrs} attrs)] ; Back compatibility
+     `(let [attrs# (conj (select-keys (meta (var ~src)) [:doc :arglists :private :macro]) ~attrs)]
+        (alter-meta! (def ~sym @(var ~src)) conj attrs#)
+        (var ~sym)))))
diff --git a/test/tablecloth/api/operators_test.clj b/test/tablecloth/api/operators_test.clj
new file mode 100644
index 0000000..61bae32
--- /dev/null
+++ b/test/tablecloth/api/operators_test.clj
@@ -0,0 +1,107 @@
+(ns tablecloth.api.operators-test
+  (:require [tablecloth.api :as api]
+            [tablecloth.api.operators :as op]
+            [midje.sweet :refer [facts fact =>]]))
+
+(def data (vec (repeatedly 100 (fn [] {:a (- (rand) 0.5)
+                                      :b (- (rand) 0.5)}))))
+(def ds (api/dataset data))
+
+(facts "no operator should return exceptions and that is enough for now"
+  (fact (some? (api/* (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/+ (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/- (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api// (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/< (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/<= (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/> (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/>= (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/= (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/abs (api/column ds :a))) => true)
+  (fact (some? (api/acos (api/column ds :a))) => true)
+  (fact (some? (api/and (api/column ds :a) (api/column ds :a))) => true)
+  (fact (some? (api/asin (api/column ds :a))) => true)
+  (fact (some? (api/atan (api/column ds :a))) => true)
+  (fact (some? (api/atan2 (api/column ds :a) (api/column ds :b))) => true)
+  ;; (fact (some? (api/bit-and (api/column ds :a) (api/column ds :b))))
+  ;; (fact (some? (api/bit-and-not (api/column ds :a) (api/column ds :b))))
+  ;; (fact (some? (api/bit-clear (api/column ds :a) (api/column ds :b))))
+  ;; (fact (some? (api/bit-flip (api/column ds :a))))
+  ;; (fact (some? (api/bit-not (api/column ds :a))))
+  ;; (fact (some? (api/bit-or (api/column ds :a))))
+  ;; (fact (some? (api/bit-set (api/column ds :a))))
+  ;; (fact (some? (api/bit-shift-left (api/column ds :a))))
+  ;; (fact (some? (api/bit-shift-right (api/column ds :a))))
+  ;; (fact (some? (api/bit-test (api/column ds :a))))
+  ;; (fact (some? (api/bit-xor (api/column ds :a))))
+  (fact (some? (api/cbrt (api/column ds :a))) => true)
+  (fact (some? (api/ceil (api/column ds :a))) => true)
+  (fact (some? (api/cos (api/column ds :a))) => true)
+  (fact (some? (api/cosh (api/column ds :a))) => true)
+  (fact (some? (api/cummax (api/column ds :a))) => true)
+  (fact (some? (api/cummin (api/column ds :a))) => true)
+  (fact (some? (api/cumprod (api/column ds :a))) => true)
+  (fact (some? (api/cumsum (api/column ds :a))) => true)
+  (fact (some? (api/descriptive-statistics (api/column ds :a))) => true)
+  (fact (some? (api/emin (api/column ds :a))) => true)
+  (fact (some? (api/emax (api/column ds :a))) => true)
+  (fact (some? (api/eq (api/column ds :a) (api/column ds :b))) => true)
+  ;; (fact (some? (api/even? (api/dataset {:a [1 2 3 4]}))) => true)
+  (fact (some? (api/exp (api/column ds :a))) => true)
+  (fact (some? (api/expm1 (api/column ds :a))) => true)
+  (fact (some? (api/finite? (api/column ds :a))) => true)
+  (fact (some? (api/floor (api/column ds :a))) => true)
+  (fact (some? (api/get-significand (api/column ds :a))) => true)
+  (fact (some? (api/hypot (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/identity (api/column ds :a))) => true)
+  (fact (some? (api/ieee-remainder (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/infinite? (api/column ds :a))) => true)
+  (fact (some? (api/kendalls-correlation (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/kurtosis (api/column ds :a))) => true)
+  (fact (some? (api/log (api/column ds :a))) => true)
+  (fact (some? (api/log10 (api/column ds :a))) => true)
+  (fact (some? (api/log1p (api/column ds :a))) => true)
+  (fact (some? (api/logistic (api/column ds :a))) => true)
+  (fact (some? (api/mathematical-integer? (api/column ds :a))) => true)
+  (fact (some? (api/max (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/mean (api/column ds :a))) => true)
+  (fact (some? (api/median (api/column ds :a))) => true)
+  (fact (some? (api/min (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/nan? (api/column ds :a))) => true)
+  (fact (some? (api/neg? (api/column ds :a))) => true)
+  (fact (some? (api/next-down (api/column ds :a))) => true)
+  (fact (some? (api/next-up (api/column ds :a))) => true)
+  (fact (some? (api/not (api/column ds :a))) => true)
+  (fact (some? (api/not= (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/not-eq (api/column ds :a) (api/column ds :b))) => true)
+  ;; (fact (some? (api/odd? (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/or (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/pearsons-correlation (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/percentiles (api/abs (api/* 100 (api/column ds :a))) (api/column ds :b))) => true)
+  (fact (some? (api/pos? (api/column ds :a))) => true)
+  (fact (some? (api/pow (api/column ds :a) 2.0)) => true)
+  (fact (some? (api/quartile-1 (api/column ds :a))) => true)
+  (fact (some? (api/quartile-3 (api/column ds :a))) => true)
+  ;; (fact (some? (api/quartile-outlier-fn (api/column ds :a))))
+  (fact (some? (api/quartiles (api/column ds :a))) => true)
+  (fact (some? (api/quot (api/column ds :a) 0.01)) => true)
+  (fact (some? (api/rem (api/column ds :a) 0.01)) => true)
+  (fact (some? (api/rint (api/column ds :a))) => true)
+  (fact (some? (api/round (api/column ds :a))) => true)
+  (fact (some? (api/signum (api/column ds :a))) => true)
+  (fact (some? (api/sin (api/column ds :a))) => true)
+  (fact (some? (api/sinh (api/column ds :a))) => true)
+  (fact (some? (api/skew (api/column ds :a))) => true)
+  (fact (some? (api/spearmans-correlation (api/column ds :a) (api/column ds :b))) => true)
+  (fact (some? (api/sq (api/column ds :a))) => true)
+  (fact (some? (api/sqrt (api/column ds :a))) => true)
+  (fact (some? (api/standard-deviation (api/column ds :a))) => true)
+  (fact (some? (api/sum (api/column ds :a))) => true)
+  (fact (some? (api/tan (api/column ds :a))) => true)
+  (fact (some? (api/tanh (api/column ds :a))) => true)
+  (fact (some? (api/to-degrees (api/column ds :a))) => true)
+  (fact (some? (api/to-radians (api/column ds :a))) => true)
+  (fact (some? (api/ulp (api/column ds :a))) => true)
+  ;; (fact (some? (api/unsigned-bit-shift-right (api/column ds :a))))
+  (fact (some? (api/variance (api/column ds :a))) => true)
+  (fact (some? (api/zero? (api/column ds :a))) => true))