Casio fx-83GT Using Manual
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Casio fx-83GT Using Manual

Casio fx-83GT Using Manual

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Summary of Contents for Casio fx-83GT

  • Page 1 Using the Casio fx-83GT...

  • Page 2: Table Of Contents

    Topic Page Number Changing an answer to a decimal quickly The start screen Basic buttons Format button Settings : Changing the fraction result The fraction button Using the fraction button Four operations with fractions (add, subtract, multiply, divide) Converting an improper fraction to a mixed number Converting a mixed number to an improper fraction Four operations with mixed numbers (add, subtract, multiply, divide) Converting between fractions and decimals...

  • Page 3: Changing An Answer To A Decimal Quickly

    Changing an answer to a decimal quickly When an answer is not an integer value the calculator will display the answer in its standard setting. The quickest way to change this answer is…. Press then execute If you want the decimal straight away…… Type Press then execute...

  • Page 4: The Start Screen

    Start Screen Choose calculate to be able to calculations...

  • Page 5: Basic Buttons

    Basic Buttons Arrow Keys Move the cursor around the screen AC Button Clears the calculator DEL Button (delete) Deletes characters from the screen Execute works out the calculation ANS Button Uses the last answer calculated...

  • Page 6: Format Button

    Format Button Changes the format of the answer When an answer is not an integer value the calculator will display the answer in its standard setting. To change this, press the format button. The next menu shows the format options. Use the arrow keys followed by ok to chose the format you want.

  • Page 7: Settings : Changing The Fraction Result

    Settings Changing the fraction result Click settings Use the right arrow key on Calc Settings Use the right arrow key on Fraction Result Chose mixed fraction or improper fraction...

  • Page 8: The Fraction Button

    The fraction button There are 2 ways to input a fraction into your calculator. 1) Press Then use the arrow keys to help you help you fill in the boxes. 2) Type the value of your numerator. Now press Then use the arrow keys to move to the denominator and type that in.

  • Page 9: Using The Fraction Button

    Using the fraction button Simplifying Type your fraction into the calculator and press execute. Using for calculations Press the fraction button and type in your calculation...

  • Page 10: Four Operations With Fractions (Add, Subtract, Multiply, Divide)

    Addition Subtraction Multiplication Division...

  • Page 11: Converting An Improper Fraction To A Mixed Number

    Changing an improper fraction to a mixed number Converting an improper fraction to a mixed number Type your fraction into the calculator and press execute. Press and chose mixed fraction from the list.

  • Page 12: Converting A Mixed Number To An Improper Fraction

    The Mixed Number button (Find this symbol above the fraction button) Press shift and then the fraction button Converting a mixed number to an improper fraction Press shift and then the fraction button Fill the boxes to type in your mixed number Press execute...

  • Page 13: Four Operations With Mixed Numbers (Add, Subtract, Multiply, Divide)

    Addition Subtraction Multiplication Division...

  • Page 14: Converting Between Fractions And Decimals

    Converting between fractions and decimals Converting a fraction to a decimal Type your fraction into the calculator and press equals. Press Then chose decimal. Converting a decimal to a fraction Type your decimal into the calculator and press execute. Converting a decimal to a mixed number Type your decimal into the calculator and press execute.

  • Page 15: Converting A Fraction To A Recurring Decimal

    Converting between fractions and decimals Converting a fraction to a recurring decimal Type your fraction into the calculator and press execute. Press If your fraction is recurring this will now show in the menu. Click ok to get your answer.

  • Page 16: The Percentage Button

    The percentage button To calculate 15% of 240 Type 15. Press catalog button Move down to probability and use the right arrow key to access next menu. Click ok and this will put the % into your calculation. You can now complete the calculation.

  • Page 17: Recurring Decimals - 1 Dp Method 1

    Recurring decimals – 1 dp method 1 Convert to a fraction Type in your number up to the first recurring digit. Press Scroll down to numeric calc and use right button to go to the next menu. Click ok and the recurring decimal box will appear on the screen...

  • Page 18: Using The Recurring Decimal Button

    Using the recurring decimal button Convert a recurring decimal to a fraction Type then press This brings up the recurring decimal box Now type the recurring decimals in the box and press execute.

  • Page 19: Recurring Decimals - 2 Dp Method 1

    Recurring decimals – 2 dp Method 1 Convert to a fraction Type in your number up to the first recurring digit. Press Scroll down to numeric calc and use right button to go to the next menu. Click ok and the recurring decimal box will appear on the screen...

  • Page 20: Recurring Decimals - More Than 2 Dp

    Recurring decimals – More than 2 dp (1) Convert to a fraction Type in your number up to the first recurring digit. Press Scroll down to numeric calc and use right button to go to the next menu. Click ok and the recurring decimal box will appear on the screen...

  • Page 21: Powers

    Powers Method 1 - Squared Instead of writing Type then Method 2 - Squared Instead of writing Type then fill in the box Any Power Instead of writing Type press then put a 5 in the box...

  • Page 22: Powers Of Negative Numbers

    Powers of negative numbers Method 1 - Squared Be careful! Type then Method 2 - Squared Be careful! Type then Any Power Type press then put a 5 in the box...

  • Page 23: Products Of Prime Factors

    Products of prime factors Write 24 as products of prime factors. Give your answer in index form Press Type 24 and The menu now has Prime Factor as an option. Click ok to get answer.

  • Page 24: Hcf (Highest Common Factor)

    HCF (Highest Common Factor) This is called GCD – Greatest Common Divisor Find the HCF of 12 and 20 Press Choose Numeric Calc The choose GCD This brings up GCD( , then type 20 Press Type 12, (To get the comma) Press...

  • Page 25: Hcf Using Products Of Prime Factors

    HCF (Using products of prime factors) This is called GCD – Greatest Common Divisor Find the HCF of Press Choose Numeric Calc The choose GCD This brings up GCD( Press Type (To get the comma) then Press (Changed to prime factors)

  • Page 26: Lcm (Lowest Common Multiple)

    LCM (Lowest Common Multiple) Find the LCM of 12 and 20 Press Choose Numeric Calc The choose LCM This brings up LCM( , then type 20 Press Type 12, (To get the comma) Press...

  • Page 27: Lcm Using Prime Factors

    LCM (Using prime factors) Find the LCM of Press Choose Numeric Calc The choose LCM This brings up LCM( Press Type (To get the comma) then Press (Changed to prime factors)

  • Page 28: Substitution - Storing Values

    Substitution – Storing values Press to bring up this screen and store the value you want each variable to be. Type in the value you want for the variable and press execute. Even if you press the values will still be stored. If the variable already has a value press execute to bring up this screen.

  • Page 29: Solving A Quadratic Equation Using The Formula

    Solving a quadratic equation using the formula Store the values of a, b and c in your calculator see substitution – storing values Press Fill in the boxes. Remember to press shift to get to the variables. To quickly change the answer to a decimal press Press...

  • Page 30: Functions And Use F(X)

    Functions Define and use f(x) Press Chose define f(x) Press Press Press...

  • Page 31: Composite Functions

    Composite Functions Define f(x) and g(x) Press Chose g(x) Press Chose f(x) Press...

  • Page 32: Plotting A Linear Graph

    Plotting a Linear Graph 1) Chose table from the home menu. 2) Click tools select table range. 3)Complete the next screen to match your values. Press after each one. Then execute. 4) Click tools and select define f(x)/g(x). Define function. The calculator displays a table of values which you...

  • Page 33: Plotting A Quadratic Graph

    Plotting a Quadratic Graph 1) Setup your table in the same as when setting up a table for a linear graph. 2) Define your function The calculator displays a table of values which you can scroll through.

  • Page 34: Time - Converting A Mixed Number To Hours And Minutes

    Time Now in blue on + button Minutes Hours Seconds Convert hours to hours and minutes Type in mixed number and press Method 1 Press and chose sexagesimal. Method 2 Press Both answers read 2 hours, 15 minutes, 0 seconds...

  • Page 35: Time - Converting Minutes To Hours And Minutes

    Time Now in blue on + button Minutes Hours Seconds Convert minutes to hours and minutes This represents 0 hours Type This represents 575 Type minutes If there are 0 seconds you do not need to put these in. Press This automatically changes the...

  • Page 36: Time - Converting Hours And Minutes To Hours

    Time Now in blue on + button Minutes Hours Seconds Convert hours minutes to hours This represents 3 hours Type This represents 24 Type minutes If there are 0 seconds you do not need to put these in. Press Press and chose the format you want Decimal Improper...

  • Page 37: Time Calculations

    Time calculations type This represents 10 hours and 18 minutes And you want to subtract the starting time of The calculator shows 0 hours, 34 minutes and 0 seconds...

  • Page 38: Average Speed

    Average Speed 1) Press 2)Fill the distance of 450 in the numerator 3)Fill the denominator with the time calculation Average speed = 300Km/h...

  • Page 39: Using The Ans Button

    Using the ANS button Technique 1 – Using the last answer as the first part of your next calculation 1) Work out the answer to the first part of your calculation DO NOT CLEAR 2) Press the operation for the next calculation Technique 2 –...

  • Page 40: Finding One Part Of A Ratio From Another (Part 1)

    Finding one part of a ratio from another part (1) Select ratio from the home screen Select A:B=X:D Change the first ratio to 4:5 and the D to 60 Type each number and press each time Press again to get the value x.

  • Page 41: Finding One Part Of A Ratio From Another (Part 2)

    Finding one part of a ratio from another part (2) Select ratio from the home screen Select A:B=C:X Change the first ratio to 2:7 and the C to 18 Type each number and press each time Press again to get the value x.

  • Page 42: Writing A Ratio In The Form 1:N

    Writing a ratio in the form Select ratio from the home screen Select A:B=C:X Change the first ratio to 2:5 and the C to 1 Type each number and press each time Press again to get the value x.

  • Page 43: Writing A Ration In The Form

    Writing a ratio in the form Select ratio from the home screen Select A:B=X:D Change the first ratio to 2:5 and the D to 1 Type each number and press each time Press again to get the value x.

  • Page 44: Inequalities On A Number Line (Part 1) Where To Find Them

    Inequalities on a number line Select math box from the home screen Select Number Line This gives you the option to put up to 3 lines on your diagram. Click to select A. Scroll down to find the inequality needed.

  • Page 45: Inequalities On A Number Line (Part 2) Single Ended

    Inequalities on a number line Example Draw Choose Type in 4 and press Press again on confirm. If more lines are needed add them in slot B and C. If no more lines are needed, scroll down to execute. All single ended inequalities work the same way.

  • Page 46: Inequalities On A Number Line (Part 3) Double Ended

    Inequalities on a number line Example Choose Draw Type in 2 and press Type in 4 and press Press again on confirm. If more lines are needed add them in slot B and C. If no more lines are needed, scroll down to execute.

  • Page 47: Settings : Digit Separator

    Settings Digit Separator Click settings Use the right arrow key on Calc Settings Scroll down to Digit Separator and then use right arrow key Chose on or off (notice there are no commas)

  • Page 48: Settings : Changing The Angle Unit

    Settings Changing the angle unit Click settings Use the right arrow key on Calc Settings Use the right arrow key on Angle Unit Chose the angle unit you want...

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