Casio FX-55 User Manual download pdf (Page 17)

E-16

Error Messages

Math ERROR

Cause: • The intermediate or final result of the calculation you are performing

exceeds the allowable calculation range. • Your input exceeds the allowable

input range (particularly when using functions). • The calculation you are

performing contains an illegal mathematical operation (such as division

by zero).

Action: • Check the input values, reduce the number of digits, and try again.

• When using independent memory as the argument of a function, make sure

that the memory value is within the allowable range for the function.

Stack ERROR

Cause: The calculation you are performing has caused the capacity of the

numeric stack or the command stack to be exceeded.

Action: • Simplify the calculation expression so it does not exceed the

capacity of the stack. • Try splitting the calculation into two or more parts.

Syntax ERROR

Cause: There is a problem with the format of the calculation you are

performing.

Action: Make necessary corrections.

Argument ERROR

Cause: A non-integer argument was input for the random number function

(RanInt#). Attempting to simplify a non-fraction value ('Simp).

Action: Input only integers for the argument (RanInt#). Input only fractions

for the argument ('Simp).

Can’t Simplify

Cause: Attempting to simplify a fraction using a divisor that cannot be

simplified.

Action: Input a divisor that can be simplified.

Before Assuming Malfunction of the

Calculator...

Perform the following steps whenever an error occurs during a calculation

or when calculation results are not what you expected. If one step does not

correct the problem, move on to the next step.

Note that you should make separate copies of important data before

performing these steps.

1. Check the calculation expression to make sure that it does not contain any

errors.

2. If the above steps do not correct your problem, press the O key. This will

cause the calculator to perform a routine that checks whether calculation

functions are operating correctly. If the calculator discovers any abnormality,

it automatically clears memory contents. For details about initialized

settings, see “Configuring the Calculator Setup”.

3. Initialize all settings by performing the following operation: r1(Setup)

=(Yes).

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Casio FX-55 User Manual Page 17

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