w1d2-homework.md

#Homework for September 25, 2013

##Calculator 1 Create a command line calculator. It should have a basic and advanced mode.

• basic calculator (+, -, *, /)

• advanced calculator (exponents, square root)

• For a basic calculator, press 1.

• For an advanced calculator, press 2. To quit, press Q.

• For calculators, first enter type of calculation, then enter 2 numbers.

Create methods for each operation, and each one to show and interact with a text menu.

##Calculator 2

Add a trip calculator to your program. Ask the user (politely) for four inputs:

Distance – how far will you drive?
MPG – what is the fuel efficiency of the car?
$PG – how much does gas cost per gallon?
Speed – how fast will you drive?

Your output is a string: “Your trip will take 3.5 hours and cost $255.33.”

Add this as a menu choice.

##Bonus

Add two more sets of calculators. These should be accessible from your menu method that you created in Calculator 1.

• Mortgage:

  • Calculate the monthly payment when given the other variables as input.
    Inputs: principal, yearly interest rate, number of payments
    Output: Monthly mortage payment

• BMI:

  • Calculate the BMI when given the height and weight.
    Input: weight, height
    Output: BMI