Manuals for Aurora Calculators

Below you can find all models Aurora Calculators for which we have manuals available. Also view the frequenty asked questions at the bottom of the page for useful tips about your product. Is your model not on the list? Please contact us.

Is your product defective and the manual offers no solution? Go to a Repair Café for free repair services.

Frequently Asked Questions

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

A battery in my device is oxidized, can I still safely use it? Verified

Ja, the device can still be safely used. Firstly, remove the oxidizd battery. Never use bare hands to do this. Then clean the battery compartment with a cotton swab dipped in vinegar or lemon juice. Let it dry and insert new batteries.

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Latest comments

Manual Aurora DT303 Calculator
Dave 20-12-2023
What type of battery does this calculator use?


Aurora DT303 Calculator
Manual Aurora DB453B Calculator
Anita 04-10-2022
Hi, may I know how to set the TAX+ and TAX- with 20%?


Aurora DB453B Calculator
Manual Aurora DT661 Calculator
Sharon Jewell 17-06-2022
Hi can't enter '0' into any sum and = does not work?


Aurora DT661 Calculator
Manual Aurora DT85V Calculator
Lorna Bean 10-02-2022
HOW DO I DISPOSE OF MY CALCULATOR


Aurora DT85V Calculator
Manual Aurora DT303 Calculator
[email protected] 26-01-2021
Hi. Can anyone advise how to change battery in Aurora calculator DT03 ? Got solar cell power but not working from artificial light ? Can anyone help ? Thanks in advance


Aurora DT303 Calculator