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    Class Notes HTML CSS Chapter5

    Uploaded by

    Syed Shoaib
    The document contains instructions for 13 math expression problems in JavaScript. The problems involve storing values in variables, performing basic math operations like addition and multiplication, calculating percentages and totals, and converting between units like Celsius, Fahrenheit, and currency values. The goal is to write JavaScript code to output the results of the calculations.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Class Notes HTML CSS Chapter5

    Uploaded by

    Syed Shoaib
    409 views10 pages
    The document contains instructions for 13 math expression problems in JavaScript. The problems involve storing values in variables, performing basic math operations like addition and multiplication, calculating percentages and totals, and converting between units like Celsius, Fahrenheit, and currency values. The goal is to write JavaScript code to output the results of the calculations.

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    Class notes HTML CSS chapter5

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    The document contains instructions for 13 math expression problems in JavaScript. The problems involve storing values in variables, performing basic math operations like addition and multiplication, calculating percentages and totals, and converting between units like Celsius, Fahrenheit, and currency values. The goal is to write JavaScript code to output the results of the calculations.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    409 views10 pages

    Class Notes HTML CSS Chapter5

    Uploaded by

    Syed Shoaib
    The document contains instructions for 13 math expression problems in JavaScript. The problems involve storing values in variables, performing basic math operations like addition and multiplication, calculating percentages and totals, and converting between units like Celsius, Fahrenheit, and currency values. The goal is to write JavaScript code to output the results of the calculations.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 10

    MATH EXPRESSIONS

    Assignment # 5
    JAVASCRIPT
    MATH EXPRESSIONS | JAVASCRIPT

    1. Write a program that take two numbers & add them in a


    new variable. Show the result in your browser.

    2. Repeat task1 for subtraction, multiplication, division &


    modulus.
    3. Do the following using JS Mathematic Expressions
    a. Declare a variable.
    b. Show the value of variable in your browser like “Value
    after variable declaration is: ??”.
    c. Initialize the variable with some number.
    d. Show the value of variable in your browser like “Initial
    value: 5”.
    e. Increment the variable.
    f. Show the value of variable in your browser like “Value
    after increment is: 6”.
    g. Add 7 to the variable.
    h. Show the value of variable in your browser like “Value

    Page 1 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    after addition is: 13”.


    i. Decrement the variable.
    j. Show the value of variable in your browser like “Value
    after decrement is: 12”.
    k. Show the remainder after dividing the variable’s value
    by 3.
    l. Output : “The remainder is : 0”.

    4. Cost of one movie ticket is 600 PKR. Write a script to


    store
    ticket price in a variable & calculate the cost of buying 5
    tickets
    to a movie. Example output:

    Page 2 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    5. Write a script to display multiplication table of any


    number in your browser. E.g

    Page 3 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    6. The Temperature Converter: It’s hot out! Let’s make a


    converter based on the steps here.
    a. Store a Celsius temperature into a variable.
    b. Convert it to Fahrenheit & output “NNoC is NNoF”.
    c. Now store a Fahrenheit temperature into a variable.
    d. Convert it to Celsius & output “NNoF is NNoC”.
    Conversion Formulae:

    7. Write a program to implement checkout process of a


    shopping cart system for an e-commerce website. Store
    the following in variables

    Page 4 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    a. Price of item 1
    b. Price of item 2
    c. Ordered quantity of item 1
    d. Ordered Quantity of item 2
    e. Shipping charges
    Compute the total cost & show the receipt in your browser.

    8. Store total marks & marks obtained by a student in 2


    variables. Compute the percentage & show the result in
    your browser

    Page 5 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    9. Assume we have 10 US dollars & 25 Saudi Riyals. Write a


    script to convert the total currency to Pakistani Rupees.
    Perform all calculations in a single expression.
    (Exchange rates : 1 US Dollar = 104.80 Pakistani Rupee
    and 1 Saudi Riyal = 28 Pakistani Rupee)

    Page 6 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    10. Write a program to initialize a variable with some


    number and do arithmetic in following sequence:
    a. Add 5
    b. Multiply by 10
    c. Divide the result by 2
    Perform all calculations in a single expression

    11. The Age Calculator: Forgot how old someone is?


    Calculate it!
    a. Store the current year in a variable.
    b. Store their birth year in a variable.
    c. Calculate their 2 possible ages based on the stored
    values.
    Output them to the screen like so: “They are either NN or NN
    years old”.

    12. The Geometrizer: Calculate properties of a circle.


    a. Store a radius into a variable.
    Page 7 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    b. Calculate the circumference based on the radius, and


    output “The circumference is NN”.
    (Hint : Circumference of a circle = 2 π r , π = 3.142)
    Calculate the area based on the radius, and output “The
    area is NN”. (Hint : Area of a circle = π r2, π = 3.142)

    13. The Lifetime Supply Calculator: Ever wonder how


    much a “lifetime supply” of your favorite snack is?
    Wonder no more.
    a. Store your favorite snack into a variable
    b. Store your current age into a variable.
    c. Store a maximum age into a variable.
    d. Store an estimated amount per day (as a number).
    e. Calculate how many would you eat total for the rest of
    your life.
    Output the result to the screen like so: “You will need
    NNNN to last you until the ripe old age of NN”.

    Page 8 of 9
    MATH EXPRESSIONS | JAVASCRIPT

    Page 9 of 9

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