diff --git a/builtins.ts b/builtins.ts
index 7ea137c..332811e 100644
--- a/builtins.ts
+++ b/builtins.ts
@@ -9,8 +9,8 @@ fillEllipse,
 outlineEllipse,
 setPixelColor,
 } from "./window.ts";
-import { Font, font } from "./font.ts";
-import { keyDown, keyPressed, keyReleased } from "./keyboard.ts";
+import { CHAR, Font, font } from "./font.ts";
+import { K, keyDown, keyPressed, keyReleased } from "./keyboard.ts";
 import { addToContext, runCode } from "./runcode.ts";
 import { resetRepl } from "./repl.ts";
 import { COLOR } from "./colors.ts";
@@ -134,6 +134,10 @@ const faux = {
 		getMapSheet(mapSheet)[y*64+x] = [sprSheet, spr];
 	},
 	// Input
+	[CHAR.UP]: K.ARROW_UP,
+	[CHAR.DOWN]: K.ARROW_DOWN,
+	[CHAR.LEFT]: K.ARROW_LEFT,
+	[CHAR.RIGHT]: K.ARROW_RIGHT,
 	btn: keyDown,
 	btnp: keyPressed,
 	btnr: keyReleased,
@@ -176,6 +180,7 @@ const faux = {
 	sqrt: Math.sqrt,
 	abs: Math.abs,
 	rand: Math.random,
+	[CHAR.PI]: Math.PI,
 	// Other
 	code: (n: number) => {
 		return runCode(getCodeSheet(n));
diff --git a/codetab.ts b/codetab.ts
index 20358b1..87bfde3 100644
--- a/codetab.ts
+++ b/codetab.ts
@@ -66,6 +66,7 @@ const values = [
 	"undefined",
 	"NaN",
 	"Infinity",
+	CHAR.PI,
 ];
 const operator = [
 	"&&",
diff --git a/font.ts b/font.ts
index b55e115..908db37 100644
--- a/font.ts
+++ b/font.ts
@@ -22,6 +22,7 @@ export const CHAR = {
 	LEFT: "Á",
 	DOWN: "Â",
 	RIGHT: "Ã",
+	PI: "π"
 }
 
 export type Font = {
@@ -841,5 +842,13 @@ export const font: Font = {
 			0, 1, 1, 1, 1, 1, 0,
 			0, 0, 0, 0, 0, 0, 0,
 		],
+		[CHAR.PI]: [
+			0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0,
+			1, 1, 1, 1, 1,
+			0, 1, 0, 1, 0,
+			0, 1, 0, 1, 0,
+			0, 0, 0, 0, 0,
+		],
 	}
 };
\ No newline at end of file
diff --git a/keyboard.ts b/keyboard.ts
index 684b176..023d414 100644
--- a/keyboard.ts
+++ b/keyboard.ts
@@ -67,6 +67,7 @@ export const altMap = {
 	"a": CHAR.LEFT,
 	"s": CHAR.DOWN,
 	"d": CHAR.RIGHT,
+	"p": CHAR.PI,
 }
 
 addEventListener("keydown", (evt) => {