Appendix

Error Messages

The following table shows common error messages and suggestions for correcting the error.

Error no.

Error message

Solution

01

SYNTAX

Verify you are using the correct syntax for

 

 

the function you are trying to apply.

02

CALCULATION

Check you have not attempted to divide by

 

 

zero or made some other calculation error.

 

 

 

03

NESTING

Use of more than the available number of

 

 

buffers was attempted. (There are 10

 

 

buffers* for numeric values and 24 buffers

 

 

for calculation instructions.)

 

 

* 5 buffers in the CPLX mode.

 

 

 

04

LBL DUPLICATE

Make sure your program does not use the

 

 

same label name to specify more than

 

 

one location.

 

 

 

05

LBL UNDEFINED

Make sure your program does not have a

 

 

Goto or Gosub command pointing to a

 

 

label that does not exist. Note that you

 

 

can include labels that are not pointed to

 

 

by Goto or Gosub commands without

 

 

affecting program operation.

 

 

 

06

LBL OVER

Make sure your program does not have

 

 

more than 20 labels.

 

 

 

07

GOSUB STACK

Make sure your program does not have

 

 

more than 10 levels of nested

 

 

subroutines.

 

 

 

08

CAN’T RETURN

Make sure your program does not have a

 

 

Return command with no corresponding

 

 

Gosub command.

 

 

 

09

MEMORY OVER

Not enough free memory remains for what

 

 

you are trying to do. Delete unneeded

 

 

files and try again.

 

 

 

10

STORAGE FULL

Make sure the maximum number of 99

 

 

saved equations or 99 programs is not

 

 

exceeded. Delete unneeded equations or

 

 

programs and try again.

 

 

 

11

DATA OVER

Use of more than 100 data items in the

 

 

STAT mode was attempted.

 

 

The maximum number of 160 characters

 

 

in the equation input buffer was

 

 

exceeded.

 

 

 

(No number)

BREAK!

You have pressed j to stop a

 

 

program or solver calculation.

 

 

 

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Sharp EL-5250, EL-5230 operation manual Error no Error message Solution, Nesting

EL-5230, EL-5250 specifications

The Sharp EL-5250 and EL-5230 are advanced scientific calculators that cater to students, professionals, and anyone in need of a reliable tool for complex calculations. Both models are designed with a blend of functionality, portability, and user-friendliness, making them excellent choices for math and engineering tasks.

The Sharp EL-5250 is equipped with a wide range of features ideal for higher-level calculations. It supports over 500 functions, including trigonometric, exponential, logarithmic, and statistical computations. The calculator also includes built-in memory functions, allowing users to store and recall values effortlessly. The large, easy-to-read LCD display can present multiple lines of data simultaneously, enhancing clarity and reducing the need for repetitive calculations.

On the other hand, the EL-5230, while slightly less advanced, still offers a robust set of functions. This model is particularly well-suited for students in high school or early college, providing essential functionalities for algebra, geometry, and basic statistics. Its 240 functions cover a variety of mathematical disciplines, making it a versatile option for different educational needs.

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In summary, both the Sharp EL-5250 and EL-5230 deliver exceptional performance with their extensive features and advanced technology. They are perfect for those who require reliable and efficient tools for various mathematical tasks, whether in education or professional settings. With their user-friendly designs and durability, these calculators continue to be reliable companions for anyone working with numbers.