diff --git a/include/builtins_new.h b/include/builtins_new.h
index 516ba4c..fca147c 100644
--- a/include/builtins_new.h
+++ b/include/builtins_new.h
@@ -1,8 +1,12 @@
+#ifndef MINDUSTRY_H
+#define MINDUSTRY_H
 struct MindustryObject {};
+
 // builtin instructions
 void print(char* s);
 void printd(double s);
 void printflush(struct MindustryObject message);
+
 struct MindustryObject radar(struct MindustryObject obj, char* target1, char* target2,
 							 char* target3, char* sort, double index);
 double sensor(struct MindustryObject obj, char* prop);
@@ -11,9 +15,11 @@ void configure(struct MindustryObject obj, char* configure);
 void setcolor(struct MindustryObject obj, double r, double g, double b);
 void shoot(struct MindustryObject obj, double x, double y, double shoot);
 void shootp(struct MindustryObject obj, double unit, double shoot);
+
 struct MindustryObject get_link(double index);
 double read(struct MindustryObject cell, double index);
 void write(double val, struct MindustryObject cell, double index);
+
 void drawclear(double r, double g, double b);
 void drawcolor(double r, double g, double b, double a);
 void drawstroke(double width);
@@ -25,7 +31,9 @@ void drawlinepoly(double x, double y, double sides, double radius, double rotati
 void drawtriangle(double x1, double y1, double x2, double y2, double x3, double y3);
 void drawimage(double x, double y, char* image, double size, double rotation);
 void drawflush(struct MindustryObject display);
+
 void end();
+
 // unit commands (not complete; don't know how to return multiple values)
 void ubind(char* type);
 void unit_move(double x, double y);
@@ -45,3 +53,27 @@ void unit_flag(double value);
 void unit_build(double x, double y, char* block, double rotation, char* configure);
 double unit_within(double x, double y, double radius);
 MindustryObject unit_radar(char* target1, char* target2, char* target3, char* sort, double order);
+
+// builtin binary operators
+double pow(double x, double y);
+double max(double x, double y);
+double min(double x, double y);
+double angle(double x, double y);
+double len(double x, double y);
+double land(double x, double y);
+double idiv(double x, double y);
+double strictEqual(void* x, void* y);
+double noise(double x, double y);
+
+// builtin unary operators
+double abs(double x);
+double log(double x);
+double log10(double x);
+double sin(double x);
+double cos(double x);
+double tan(double x);
+double floor(double x);
+double ceil(double x);
+double sqrt(double x);
+double rand(double x);
+#endif