diff --git a/Makefile b/Makefile
index 9da0644..464cf3d 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ CFLAGS = \
 # CFLAGS += -O3
 CFLAGS += -g
 
-all: compile_flags.txt dirs scirpt
+all: compile_flags.txt dirs scirpt lommereimar
 
 COMMON_SRC = string.c stringmap.c
 COMMON_OBJ = $(patsubst %.c, build/common/%.o, $(COMMON_SRC))
@@ -23,6 +23,12 @@ SCIRPT_OBJ = $(patsubst %.c, build/scirpt/%.o, $(SCIRPT_SRC))
 scirpt: $(SCIRPT_OBJ) $(COMMON_OBJ)
 	$(CC) -o bin/$@ $(CFLAGS) $^ -lm
 
+LOMMEREIMAR_SRC = calculator.c
+LOMMEREIMAR_OBJ = $(patsubst %.c, build/lommereimar/%.o, $(LOMMEREIMAR_SRC))
+
+lommereimar: $(LOMMEREIMAR_OBJ) $(COMMON_OBJ)
+	$(CC) -o bin/$@ $(CFLAGS) $^ -lm
+
 build/%.o: %.c $(shell find -name *.h)
 	mkdir $(@D) -p
 	$(CC) -c -o $@ $(CFLAGS) $<