started js port

README.md

@@ -9,9 +9,9 @@ https://www.pgonline.co.uk/resources/computer-science/a-level-ocr/ocr-a-level-te
  - Binary addition<br/>
  - Floating point binary to denery conversion<br/>
  - Two's complement<br/>
+  - Sign and magnitude<br/>
 
  # TODO
-  - Sign and magnitude<br/>
   - Complex binary* <br/>
 
 # Why the fuck is this a thing?

bases-game.js

@@ -0,0 +1 @@
+Math.random

bases-game.py

@@ -5,7 +5,7 @@ answered = 0
 def correct():
     global score
     score+=1
-    print("Correct!")
+    print("\nCorrect!")
 while True:
     '''
     Conversion ----- 2  -> 10
@@ -17,10 +17,46 @@ while True:
 
     Binary Addition 
     Floating point binary
-    Twos compliment, Sign & Magnitude, Complex binary
+    Twos compliment, 
+    Sign & Magnitude, 
     '''
-    type_int = random.randint(0,3)
+    type_int = random.randint(0,4)    
     
+    if type_int == 4:
+        start_base = random.randint(0,1)
+        number_int = random.randint(0,128)
+        number_bin = format(number_int, '#010b')[2:]
+        if random.randint(0,1) == 1: # 50/50 chance of being negative
+            number_int = 0 - number_int
+            number_bin = '1' + number_bin[1:]
+        if start_base == 0: # Binary -> Denery
+            print("\nWhat is this Sign and Magnitude base 2 number in base 10?\n")
+            print(number_bin)
+            print("")
+            print("-")
+            print("|100")
+            print("||10")
+            print("|||1")
+            print("||||")
+            print("VVVV")
+            answer = str(int(number_int))
+        elif start_base == 1: # Denery -> Binary
+            print("\nWhat is this base 10 number in Sign and Magnitude base 2?\n")
+            print(number_int)
+            print("")
+            print("-")
+            print("|64")
+            print("||32")
+            print("|||16")
+            print("||||8421")
+            print("||||||||")
+            print("VVVVVVVV")
+            answer = str(int(number_bin))
+        attempt = input()
+        if int(attempt) == int(answer):
+            correct()
+        else:
+            print(f"No, the answer was {answer}")
     if type_int == 3:
         start_base = random.randint(0,1)
         positive_int = random.randint(0,127)
@@ -68,7 +104,7 @@ while True:
         else:
             print(f"No, the answer was {answer}")
     if type_int == 1:
-        answer_in_bin_or_den = random.randint(0,1)
+        answer_in_bin_or_den = random.randint(0,0)
         if answer_in_bin_or_den == 1:
             print("Answer in Base 10\n")
         if answer_in_bin_or_den == 0: