diff --git a/Justfile b/Justfile
index da7c0ef..cb2c026 100644
--- a/Justfile
+++ b/Justfile
@@ -1,8 +1,13 @@
 
+SED := `command -v gsed || command -v sed`
+
+help:
+    @just --list
+
 # git tasks to start next development version
 prepare-dev-version v:
     git checkout trunk
-    gsed -zE -i 's/(name = "bigdecimal"\nversion )= [^\n]*/\1= "{{v}}+dev"/' Cargo.toml Cargo.lock
+    {{SED}} -zE -i 's/(name = "bigdecimal"\nversion )= [^\n]*/\1= "{{v}}+dev"/' Cargo.toml Cargo.lock
     git add Cargo.toml Cargo.lock
     git commit -m 'Begin v{{v}} development'
 
@@ -11,10 +16,28 @@ prepare-dev-version v:
 prepare-release v:
     git checkout trunk
     cargo clippy
-    gsed -zE -i 's/(name = "bigdecimal"\nversion )= [^\n]*/\1= "{{v}}"/' Cargo.toml Cargo.lock
+    {{SED}} -zE -i 's/(name = "bigdecimal"\nversion )= [^\n]*/\1= "{{v}}"/' Cargo.toml Cargo.lock
     git add Cargo.toml Cargo.lock
     git commit -m 'Version {{v}}'
     git checkout master
     git merge trunk --no-ff -m 'v{{v}}'
     # git tag 'v{{v}}'
 
+# enable and run benchmarks
+benchmark *args:
+  scripts/benchmark-bigdecimal {{args}}
+
+# enable and run property-tests
+run-property-tests:
+  scripts/bigdecimal-property-tests test
+
+
+# enable property test dependencies
+enable-property-tests:
+  scripts/bigdecimal-property-tests enable
+
+
+# print decimals with various formatting rules
+run-formatting-example:
+  cargo run --example formatting-examples
+