diff --git a/icons/pi-square.json b/icons/pi-square.json
new file mode 100644
index 000000000..f0111253c
--- /dev/null
+++ b/icons/pi-square.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "constant",
+    "code",
+    "coding",
+    "programming",
+    "symbol",
+    "trigonometry",
+    "geometry",
+    "formula"
+  ],
+  "categories": [
+    "development",
+    "maths",
+    "shapes"
+  ]
+}
diff --git a/icons/pi-square.svg b/icons/pi-square.svg
new file mode 100644
index 000000000..b3cfcdb25
--- /dev/null
+++ b/icons/pi-square.svg
@@ -0,0 +1,16 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <rect width="18" height="18" x="3" y="3" rx="2" />
+  <path d="M7 7h10" />
+  <path d="M10 7v10" />
+  <path d="M16 17a2 2 0 0 1-2-2V7" />
+</svg>
diff --git a/icons/sigma-square.json b/icons/sigma-square.json
new file mode 100644
index 000000000..53e8ac2d0
--- /dev/null
+++ b/icons/sigma-square.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "sum",
+    "calculate",
+    "formula",
+    "maths",
+    "enumeration",
+    "enumerate"
+  ],
+  "categories": [
+    "text",
+    "maths"
+  ]
+}
\ No newline at end of file
diff --git a/icons/sigma-square.svg b/icons/sigma-square.svg
new file mode 100644
index 000000000..b5a34b4a2
--- /dev/null
+++ b/icons/sigma-square.svg
@@ -0,0 +1,14 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <rect width="18" height="18" x="3" y="3" rx="2" />
+  <path d="M16 8.9V7H8l4 5-4 5h8v-1.9" />
+</svg>