Math operators and a challenge

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# Math operators and a challenge - PowerPoint PPT Presentation

Math operators and a challenge. Mastery Objectives: Students will— Be able to use augment assignment operators Demonstrate proficiency in using types, variables and simple i/O. Augmented assignment operators. Another way to write a math calculation Less code, harder to read.

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### Math operators and a challenge

Mastery Objectives: Students will—

Be able to use augment assignment operators

Demonstrate proficiency in using types, variables and simple i/O

Augmented assignment operators
• Another way to write a math calculation
• Less code, harder to read
Useful Augment Assignment Operators

Operator Example Equivalent

*= x*=5 x=x*5

/= x/=5 x=x/2

%= x%=5 x=x%5

+= x+=5 x=x+5

-= x-=5 x=x-5

Example

food = food * 52

Or

food *= 52

Printing Strings and Numbers Together

print “Grand Total: “, total

print “Grand Total: “ + total

Programming Challenges
• Write a program that allows a user to enter his or her two favorite foods. The program should print out the name of a new food by joining the two food names together.
• Write a Tip program where the user enters a restaurant bill total. The program should then display two amounts: a 15-percent tip and a 20-percent tip.
Programming Challenges continued
• Write a Car Salesman program where the user enters the base price of a car. The program should add to the base price tax, license, dealer prep, and destination charge. Make tax and license a percent of the base price. The other fees should be set values. Display the actual price of the car once the extras are applied.
How to turn in Challenges
• Make sure to comment in your name
• Print out a copy of the code and the output
• Staple both copies together: code first, output second
• Turn in all three challenges as a packet using a paper clip to clip them all together.