From 10c73653cf1cc27a517277bf0fba91bc8230d910 Mon Sep 17 00:00:00 2001
From: Mark McIntyre <mark@mocktech.net>
Date: Tue, 28 Jun 2022 17:55:53 -0400
Subject: [PATCH] adding calculator class

---
 calculator.py | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 calculator.py

diff --git a/calculator.py b/calculator.py
new file mode 100644
index 0000000..54ef697
--- /dev/null
+++ b/calculator.py
@@ -0,0 +1,97 @@
+
+class Calculator():
+    def __init__(self):
+        self.total = 0.0
+        self.actions = []
+    
+    def add(self, val1, val2=None):
+        running_total = self.total
+        
+        if val2:
+            total = val1 + val2
+            print(total)
+            self.actions.append(f"{val1} + {val2}")
+        else:
+            total = val1
+            self.actions.append(f"{val1} + {running_total}")
+        
+        self.total += total
+        self.actions.append(f" = {self.total}")
+    
+    def sub(self, val1, val2=None):
+        running_total = self.total
+        
+        if val2:
+            total = val1 - val2
+            print(total)
+            self.actions.append(f"{val1} - {val2}")
+        else:
+            total = val1
+            self.actions.append(f"{val1} - {running_total}")
+        
+        self.total -= total
+        self.actions.append(f" = {self.total}")
+    
+    def mult(self, val1, val2=None):
+        running_total = self.total
+        
+        if val2:
+            total = val1 * val2
+            print(total)
+            self.actions.append(f"{val1} * {val2}")
+        else:
+            total = val1
+            self.actions.append(f"{val1} * {running_total}")
+        
+        self.total *= total
+        self.actions.append(f" = {self.total}")
+    
+    def div(self, val1, val2=None):
+        running_total = self.total
+        
+        if val2:
+            total = val1 / val2
+            print(total)
+            self.actions.append(f"{val1} / {val2}")
+        else:
+            total = val1
+            self.actions.append(f"{val1} / {running_total}")
+        
+        self.total /= total
+        self.actions.append(f" = {self.total}")
+    
+    def pow(self, val1, val2=None):
+        running_total = self.total
+        
+        if val2:
+            total = val1 ** val2
+            print(total)
+            self.actions.append(f"{val1} ** {val2}")
+        else:
+            total = val1
+            self.actions.append(f"{val1} ** {running_total}")
+        
+        self.total = total ** self.total
+        self.actions.append(f" = {self.total}")
+     
+    def log(self, val):
+        from math import log
+
+        print(log(val))
+        self.actions.append(f"log({val})")
+        
+        # self.total = log(val) ** self.total
+        # self.actions.append(f" = {self.total}")
+ 
+    def showcalc(self):
+        for action in self.actions:
+            print(action)
+    
+    def total(self):
+        return(self.total)
+    
+    def ac(self):
+        self.total = 0.0
+        self.actions = []
+
+