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Makefile

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+# Makefile for Scientific Calculator
+
+CXX = g++
+CXXFLAGS = -std=c++17 -Wall -Wextra -O2
+TARGET = calculator
+SRCDIR = src
+OBJDIR = obj
+
+# Source files
+SOURCES = $(wildcard $(SRCDIR)/*.cpp)
+OBJECTS = $(SOURCES:$(SRCDIR)/%.cpp=$(OBJDIR)/%.o)
+
+# Default target
+all: $(TARGET)
+
+# Create object directory if it doesn't exist
+$(OBJDIR):
+	mkdir -p $(OBJDIR)
+
+# Link object files to create executable
+$(TARGET): $(OBJECTS) | $(OBJDIR)
+	$(CXX) $(OBJECTS) -o $(TARGET) $(LDFLAGS)
+	@echo "Build complete: $(TARGET)"
+
+# Compile source files to object files
+$(OBJDIR)/%.o: $(SRCDIR)/%.cpp | $(OBJDIR)
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+# Clean build artifacts
+clean:
+	rm -rf $(OBJDIR) $(TARGET)
+	@echo "Clean complete"
+
+# Run the calculator in interactive mode
+run: $(TARGET)
+	./$(TARGET)
+
+# Phony targets
+.PHONY: all clean run
+
+