diff --git a/Cargo.lock b/Cargo.lock
index f31e457..51805ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -126,6 +126,10 @@ dependencies = [
  "password-hash",
 ]
 
+[[package]]
+name = "arithmetics"
+version = "0.1.0"
+
 [[package]]
 name = "async-trait"
 version = "0.1.80"
diff --git a/Cargo.toml b/Cargo.toml
index 0f995d1..747b326 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,10 +25,13 @@ members = [
   "members/diesel-demo",
   "members/ptlog",
   "members/hello-world",
-  "members/statusline", "members/clap-repl-demo",
+  "members/statusline",
+  "members/clap-repl-demo",
+  "members/arithmetics",
 ]
 default-members = [
   ".",
+  "members/arithmetics",
   "members/statusline",
   "members/ptlog",
   "members/diesel-demo",
diff --git a/members/arithmetics/Cargo.toml b/members/arithmetics/Cargo.toml
new file mode 100644
index 0000000..a0e70d9
--- /dev/null
+++ b/members/arithmetics/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "arithmetics"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/members/arithmetics/src/main.rs b/members/arithmetics/src/main.rs
new file mode 100644
index 0000000..a908061
--- /dev/null
+++ b/members/arithmetics/src/main.rs
@@ -0,0 +1,11 @@
+// If you're confused what this is: it's an annotation that tells a common linting thing to shut up
+// about this program calculating things that should normally be precalculated
+//
+// If you're still confused, feel free to ignore this, it's not important
+#![allow(clippy::eq_op)] // thats the point
+#![allow(clippy::identity_op)] // thats the point
+
+fn main() {
+    println!("1^1={}", 1 ^ 1);
+    println!("0^1={}", 0 ^ 1);
+}