CASIO FX-1AU Graph Calculator User Guide

FAQ

Q: How can I navigate through menus using the cursor keys?

A: Use the cursor keys to move up, down, left, or right within
menus. Press Enter to select an option.

Q: What is the purpose of the Catalog menu?

A: The Catalog menu provides a list of commands that can be used
to input mathematical functions and formulas into the
calculator.

“`

STATUS BAR Displays current battery level, angle mode, and numerical output settings.

CURSOR KEYS Navigate full text menus, pin your favourites, or use
shortcut keys. HOME & RETURN
SETTINGS Change input and output settings and adjust user interface.
q AND J
Two sets of shift/alpha commands on the hard keyboard.
FORMAT A range of ways to change the format of
your answers.

PAGE UP/DOWN
“FLOW KEYS” BACK & FORWARD
Go back and forward through commonly used
sequences.
TOOLS The tools needed to
interact with your calculations.
ALL CLEAR Clear all currently displayed content.
CATALOG A menu of commands to input your mathematics.
B OR |
Use either when navigating, selecting,
or entering data.

QUICK START GUIDE

MADE FOR AUSTRALIA

fx-1AU GRAPH Quick Start Guide `Boost your Curiosity’ First published in 2025
This publication was created using fx-1AU GRAPH OS 02.00.1202 Questions about this publication should be directed to edusupport@shriro.com.au
Copyright 2025, SHRIRO HOLDINGS PTY LTD This publication refers to the CASIO fx-1AU GRAPH. This model description is registered
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i. fx-1AU GRAPH at a glance
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Table of Contents
i. fx-1AU GRAPH at a glance ………………………………………………………………………………………….. ii 1. Getting started – initialising your fx-1AU GRAPH …………………………………………………………..1
1.1 Just out of the box? ………………………………………………………………………………………………………….. 2 2. Flow keys G & H ……………………………………………………………………………………………………..3 3. Cursor and shortcut keys ………………………………………………………………………………………….4 4. Catalog T……………………………………………………………………………………………………………….5
4.1 Navigating the Catalog …………………………………………………………………………………………………… 6 5. Tools I ……………………………………………………………………………………………………………………7
5.1 Tools in other places ………………………………………………………………………………………………………. 8 6. The Distribution app………………………………………………………………………………………………….9 7. The Prob Sim app …………………………………………………………………………………………………… 10 8. The Financial app…………………………………………………………………………………………………… 11 9. Settings and the Format Key L & n ……………………………………………………………………… 13
9.1 Exact output and decimal approximations ……………………………………………………………………. 14 10. fx-1AU GRAPH app overview …………………………………………………………………………………… 15
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1. Getting started – initialising your fx-1AU GRAPH
Use the Systems app to initialise your calculator, reset memory and manage fundamental settings.
Open the System app. Here a range of settings and resetting options can be accessed via the cursor keys
ER!$ and |. Open the Reset menu by pressing | or $.
Arrow down RRRR to Initialize All and press |.
Press | again to start the Initialize All
process. This process will delete all memory contents and restore the factory settings.
Press | again to choose and confirm four fundamental
calculator settings:
Language ­ Press H to accept the default of English
or use the cursor keys to choose and confirm an alternative selection.
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Display Settings ­ Press H to accept the
default Backlight Level or use the cursor keys to choose and confirm an alternative selection.
Power Properties ­ Press H to accept the Auto
Power Off and Backlight (`on’ time) or choose and confirm alternative selections. Note: a backlight time of 1-3 mins can be helpful in initial learning situations but decreases battery life.
Battery Settings ­ Press | to accept the
default battery type (Alkaline) or use the cursor keys to make an alternative selection.
As the accuracy of the calculator’s battery capacity indicator depends on the correct selection of battery type, the type selected needs to be confirmed by
pressing |.
To finish the fundamental set up process, press H
and the home screen will be displayed.
1.1 Just out of the box? Put in the four AAA batteries provided.
The unit should turn on and the process of choosing and confirming the four fundamental settings (as shown on pages 1 to 2) should commence.
If this process does not commence, carefully insert a thin, blunt object into the Restart button on the back of the calculator and press gently.
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2. Flow keys G & H
Next: H flow on Previous: G flow back

Next and previous keys, `flow keys’, allow you to move through commonly used calculations sequences.

To see the `flow keys’ in action, let’s do some work with this data set:
We will first enter the data shown right
into the Statistics app of your fx-1AU GRAPH.

Open the Statistics app from the HOME screen
by pressing w$| or w2.
Note: Data in your lists that needs to be cleared? Press C1.
Enter the radius data into List 1 using the numerical keys.
Press B or | after each entry.
Press $ and enter the orbital period data into List 2. Press H to flow from the List Editor to the
Setup.
Press 1 to choose
Calculate Summary Statistics.

Press H to flow to Results,
the calculation of 1-variable summary statistics.
Explore the output using R and E.
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3. Cursor and shortcut keys
Cursor keys ER!$| Shortcut keys 1 2 3…

Use these keys to select options from numbered full-text menus.

Staying the Statistics app, press G
to flow back to Setup.

With the Calculate Statistics option
highlighted, press |or B or $ to open the
menu that shows other options.
Choose Draw Statistics Graph
by pressing R and | or the shortcut 2.
Press H to flow to Graph.
Note: this scatterplot is drawn as it is default G r a p h 1 setting.
Press H again to flow to Results,
where a range of options are offered.

Choose Linear Regression (ax+b),
by pressing R and |, or use the shortcut 2.
Press H to flow to the
Regression Graph. A bad fit! Can you find a better one?
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4. Catalog T
An ordered collection of full text, numbered, calculation inputs.
Open the Calculate app and press the
Catalog by pressing T.
With the Catalog visible, press
RR| or 3
to see the Probability inputs. Choose Random Integer (n to m)
by pressing 5.
Enter the lower bound (n) as 1 and the upper bound (m) as 10
by pressing 1$10. Press $a ­ a fraction is formed!
The most recently used inputs can be accessed in the Catalog > History.
Open this by pressing T|.
This input can be pinned, so it remains in the History.
Press I. Press | then 1$10B to generate a fraction
with a random integer from 1 to 10 as its numerator and its denominator.
Press B again. It is likely that you got different
outputs to mine. What is the chance of getting an output of one half? Which output is most likely?
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4.1 Navigating the Catalog
` Exit % and & Page up and Page down
Open the Calculate app and press
T.
Open the Numeric Calc menu by pressing 4.
The Absolute Value command, Abs(), is the first option. It can also be found alphabetically:
Press ` to exit the menu.
Press &&& to “Page Down” to All and press |.
Open the A commands by pressing |. Locate Abs() by pressing &&.
Enter Abs() by pressing 6 then enter
2 + 3 by pressing
2+3q9B.
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5. Tools I
Ways to interact with existing input.
Open the Graph&Table app and enter the cubic function = ( + 1)( – 1)
[([+1)([p1)B.
Press H.
View Window settings will be displayed.
Press | to see this function graphed
on the Initial View Window.
Not happy with the View Window?
Press I and choose View Window by pressing |.
Arrow down and change the x Minimum to -2 and the x M a x i m u m t o 2 by pressing
Rp2B2B.
Exit the View Window settings by pressing ` to exit and then press H and | to redraw.
Find the coordinates of the local maxima by
pressing I, open the Graph Solve menu by pressing 2, and find the Maximum Value by pressing 2.
Explore the other tools available in the Graph & Table app.
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5.1 Tools in other places
Adaptive, app-specific menus of tools.
Open the Calculate app, enter the number:
1000001 and press B. Press I and choose Prime Factorization by pressing 4.
Exit the window by pressing ` and then enter
10 000 001 by pressing
10000001B. Prime factor this integer via I4.
Explore this functionality further. As you have seen, the T o o l s menu looks different between apps, and it even changes
depending on where you are within an app. In the Statistics app for example, below left are the Tools of the List Editor tab, and below right are the Tools of the Graph tab.
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6. The Distribution app
A more visual way to work with probability distributions.
Open the Distribution app
and press |to work with a
Binomial distribution.
If X~Bin(8,0.6), to find Pr(X 3),
use R, the number keys, and B
to enter the information shown right.
Flow right to Results by pressing H. Press & or R to see the graph’s x-axis. Edit the x-value by pressing 4 and B.
Press “ and choose a Normal distribution by pressing R and |.
If X~N(100, 152 ), to find Pr(X 120),
use the number and cursor keys and |
to enter the information shown right.
Flow right to Results by pressing H.
Press $ and enter 0.05B.
What does this calculate?
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7. The Prob Sim app
An enhanced probability simulation app.
Open the Prob Sim app and press
R and | to simulate the rolling of some
dice and the recording of the sum of their upward faces. Enter the information shown right, by using the cursor
keys, number keys, and B.
Flow to the Result by pressing H
Enjoy the visual representation of the first dice roll …
… and then use ER!$
to explore the output of all 100 dice rolls. What was most likely?
Press | to roll another 100 times. Now press I and | to
Increase Trials (n) by 300.
Press ` and |. The results will be cleared.
Change either the number of dice or the number of sides on each dice. What do you think will be the most likely outcome now?
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8. The Financial app
An app for compound interest and other financial calculations.
Open the Financial app and
press R and | to open
Compound Interest to answer these questions.
Ali borrows $495,000 to buy a home. The interest rate is 5.75% p.a. compounded monthly. Ali plans to repay this loan in 15 years. How much will their 180 monthly repayments be?
How much would their payments be if made fortnightly?
First, choose Type, which identifies the variable to be
solved for, by pressing | or $.
Press 4 to choose Payment.
Enter the values provided by pressing
R180B R5.75B R495000B
The remaining variables can retain their default values FV (future value) = 0 P/Y (payments per year) = 12 C/Y (compounds per year) = 12
Flow right to Results by pressing H.
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Now how about fortnightly repayments?
Return to the Setup by pressing G.
Press R and change P/Y by pressing 26B.
This automatically changes C/Y also.
Change this back by pressing 12B.
Return to n, the number of payments.
Press %%, then enter: 15O26B
to set n = 390 fortnightly payments.
Flow right to Results by pressing H.
The interest on most home loans is compounded daily. What difference would this make to these results?
The appearance of negative monetary values in financial calculations, like the payment values found above, might seem confusing at first glance. In financial calculations, the sign of monetary values indicates the direction that money is flowing. By convention, money following towards `us’ (like the
amount borrowed to buy a house) is considered positive and money flowing away from `us’ (like the repayments on a home loan) is considered negative.
Open the Settings for the Financial app by pressing
G and L.
The settings shown right are the default and are suitable for most calculations but may need changing in order to perform some calculations.
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9. Settings and the Format Key L & n L Settings: app specific settings n Format: Fraction to decimal (“S to D”) and other number formats
Open the Calculate app and press L
to see the Settings menu, showing the array of settings that you can change.
Open the Display settings by pressing RR| or shortcut 3.
Open the Norm settings by pressing RR| or shortcut 3.

Change to Norm2 by pressing R| or shortcut 2.

Exit the settings by pressing “.

In N o r m 1 , scientific notation is used to display values -0.01 < < 0.01 and 10,000,000,000
Input 7P3B.

In N o r m 2 , scientific notation is used to display values -0.000000001 < < 0.0000000001 and 10,000,000,000

Press n for “S to D” functionality.
This is the default behaviour of the FORMAT key, which can be changed in the Settings.
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Press L and && to locate the
FORMAT Key Settings.
Press |.
Press R| or shortcut 2 to change to
Format Menu.
Press ` to exit the Settings. Now press n ­ a menu of number formats appears! Press 2 to change this decimal into a mixed number. Press n2 to change this mixed number into an
improper fraction.

What number format is this?

Note: The “S to D” and “Format Menu”
functionalities of the FORMAT Key are “shift
commands” ­ one accessed via n and one accessed via qn.

The Settings determines which of these functionalities is accessed via the single key press and which command is accessed via shift then the key press.

9.1 Exact output and decimal approximations
Enter s4+9B.

Wanted the decimal approximation?
Enter s4+9qB.

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10. fx-1AU GRAPH app overview
A quick summary of what each app in the menu of your fx-1AU GRAPH can do.
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NOTES:

NOTES:

For all enquiries and emulator support please contact: edusupport@shriro.com.au +61 2 9415 5521
Further support from Casio Education Australia includes: – Free emulator software –
– Free calculators for teachers – Video tutorials –
– Classroom resources –

Documents / Resources

CASIO FX-1AU Graph Calculator [pdf] User Guide FX-1AU Graph Calculator, FX-1AU, Graph Calculator, Calculator

References

• User Manual