diff --git a/resources/demo/notebook/clojure_edn.cljs b/resources/demo/notebook/clojure_edn.cljs
new file mode 100644
index 0000000..b280602
--- /dev/null
+++ b/resources/demo/notebook/clojure_edn.cljs
@@ -0,0 +1,7 @@
+(ns demo.notebook.clojure-edn
+  (:require
+   [clojure.edn :as edn]))
+
+(def x (pr-str {:a 1 :b true :name "harry potter"}))
+
+(edn/read-string x)
diff --git a/resources/demo/notebook/format.cljs b/resources/demo/notebook/format.cljs
deleted file mode 100644
index 60be720..0000000
--- a/resources/demo/notebook/format.cljs
+++ /dev/null
@@ -1,21 +0,0 @@
-(ns demo.notebook.format
-  (:require
-   [tick.core :as t]
-   [tick.helper :refer [dt-format]]
-   [pinkgorilla.repl.cljs.js :refer [to-fixed]]
-   [goog.string :refer [format]]))
-
-(dt-format "YYYYMMdd HH:mm:ss" (t/now))
-
-(format "hello %s !" "mr X.")
-
-(to-fixed 2.511 3)
-(to-fixed  2.511 2)
-(to-fixed  2.511 0)
-
-(format "%.3f" 2.511)
-(format "%.2f" 2.511)
-(format "%.0f"  2.511)
-(format "%d" 134.44)
-(format "%s %s %s" 2021 11 13)
-
diff --git a/resources/demo/notebook/tick.cljs b/resources/demo/notebook/tick.cljs
index 706a963..4e4773b 100644
--- a/resources/demo/notebook/tick.cljs
+++ b/resources/demo/notebook/tick.cljs
@@ -3,4 +3,5 @@
    [tick.core :as t]
    [tick.helper :refer [dt-format]]))
 
-(dt-format "YYYYMMdd HH:mm:ss" (t/now))
\ No newline at end of file
+(dt-format "YYYYMMdd HH:mm:ss" (t/now))
+
diff --git a/resources/demo/notebook/to_fixed.cljs b/resources/demo/notebook/to_fixed.cljs
new file mode 100644
index 0000000..d4b4d52
--- /dev/null
+++ b/resources/demo/notebook/to_fixed.cljs
@@ -0,0 +1,10 @@
+(ns demo.notebook.to-fixed
+  (:require
+   [pinkgorilla.repl.cljs.js :refer [to-fixed]]))
+
+
+
+
+(to-fixed 2.511 3)
+(to-fixed  2.511 2)
+(to-fixed  2.511 0)