feat: add logarithm buttom and functionality

calculator/__init__.py

@@ -49,6 +49,9 @@ def square_root(self):
 
     def power(self):
         self._append("**")
+
+    def logarithm(self):
+        self._append("log")
 
     def compute_result(self) -> Number:
         try:

calculator/ui/gui.py

@@ -11,6 +11,7 @@
     ['1', '2', '3', '-'],
     ['.', '0', '=', '+'],
     ['(', '√', '**', ')'],
+    ['log'],
 ]
 
 
@@ -77,6 +78,9 @@ def on_button_press(self, button):
                 self._calc.open_parenthesis()
             case "**":
                 self._calc.power()
+            case "log":
+                self._calc.logarithm()
+                self._calc.open_parenthesis()
             case _:
                 self._calc.digit(button.text)
         self.display.text = self._calc.expression or "0"

pyproject.toml

@@ -3,7 +3,7 @@ name = "unibo-dtm-se-calculator"
 packages = [
     { include = "calculator" },
 ]
-version = "0.1.2"
+version = "0.2.0"
 description = "A simple calculator toolkit written in Python, with several UIs. It is part of the Software Engineering course at the University of Bologna."
 authors = ["Giovanni Ciatto <[email protected]>"]
 license = "Apache 2.0"