Branchess VI

Branches Vi

@@ -0,0 +1,66 @@
+#create array of operator symbols and words that will be accepted as commands for the calculator
+operators_array = %w[
+    + 
+    add
+    -
+    substract
+    *
+    multiply
+    /
+    divide
+  ]
+
+  #greet the user
+
+  puts "welcome to vi's calculator! what is your first number?"
+  number1 = gets.chomp
+
+  #validating first number is a digit, otherwise prompt for a number again
+
+  until number1 =~ /\d/
+    puts "enter a number doof!"
+    number1 = gets.chomp
+  end
+
+  puts "what is your operation? 
+  (+) add 
+  (-) substract 
+  (*) multiply
+  (/) divide"
+
+  operator = gets.chomp
+
+  #check for erroneus operater input 
+  #validating if the operators array contains the operator variable 
+  #until user input is valid (contained in array) then prompt the user again 
+  until operators_array.include?(operator)
+    puts "enter an operator from the list above!"
+    operator = gets.chomp
+  end 
+
+  puts "what is your second number?"
+  number2 = gets.chomp
+
+  #verify second number is a digit
+  until number2 =~ /\d/
+    puts "enter a number doof!"
+    number2 = gets.chomp
+  end
+
+  #for dealing with divide by zero, check if the second number is zero if the operator is division. 
+  while (operator == "/" || operator == "divide") && number2 == "0"
+    puts "ya can't divide by 0 dingus, try again"
+    number2 = gets.chomp 
+  end 
+
+  if operator == "+" || operator == "add"
+    result = number1.to_i + number2.to_i
+  elsif operator == "-" || operator == "minus"
+    result = number1.to_i - number2.to_i
+  elsif operator == "*" || operator == "multiply"
+    result = number1.to_i * number2.to_i
+  elsif operator == "/" || operator == "divide"
+    result = number1.to_s.to_f / number2.to_s.to_f
+  end
+
+  puts "the result is #{result}"

calculator.rb

@@ -0,0 +1,66 @@
+#create array of operator symbols and words that will be accepted as commands for the calculator
+operators_array = %w[
+    + 
+    add
+    -
+    substract
+    *
+    multiply
+    /
+    divide
+  ]
+
+#greet the user
+
+puts "welcome to vi's calculator! what is your first number?"
+number1 = gets.chomp
+
+#validating first number is a digit, otherwise prompt for a number again
+
+until number1 =~ /\d/
+    puts "enter a number doof!"
+    number1 = gets.chomp
+end
+
+puts "what is your operation? 
+(+) add 
+(-) substract 
+(*) multiply
+(/) divide"
+
+operator = gets.chomp
+
+#check for erroneus operater input 
+#validating if the operators array contains the operator variable 
+#until user input is valid (contained in array) then prompt the user again 
+until operators_array.include?(operator)
+    puts "enter an operator from the list above!"
+    operator = gets.chomp
+end 
+
+puts "what is your second number?"
+number2 = gets.chomp
+
+#verify second number is a digit
+until number2 =~ /\d/
+    puts "enter a number doof!"
+    number2 = gets.chomp
+end
+
+#for dealing with divide by zero, check if the second number is zero if the operator is division. 
+while (operator == "/" || operator == "divide") && number2 == "0"
+    puts "ya can't divide by 0 dingus, try again"
+    number2 = gets.chomp 
+end 
+
+if operator == "+" || operator == "add"
+    result = number1.to_i + number2.to_i
+elsif operator == "-" || operator == "minus"
+    result = number1.to_i - number2.to_i
+elsif operator == "*" || operator == "multiply"
+    result = number1.to_i * number2.to_i
+elsif operator == "/" || operator == "divide"
+    result = number1.to_s.to_f / number2.to_s.to_f
+end
+
+puts "the result is #{result}"