The Aurora HC133 has large unmissable keys for precise number input, and a clear 8 digit display. It contains a dual powered calculator which runs off both solar and battery for extra reliance. Due to the useful auto off intelligence installed in the calculator, you won’t need to worry about any battery wastage. Is your product defective and the manual offers no solution? Go to a Repair Café for free repair services.

Home > Miscellaneous > Calculators > Aurora Calculators > Aurora HC133 Calculator Manual Aurora HC133 Calculator 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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Aurora’s calculator emulators are designed to work in conjunction with a PC, interactive whiteboard and projector, beaming a large electronic replica of the Aurora calculator onto the whiteboard. This giant working calculator is viewable to the whole class and can be used by the teacher and students interactively. The whiteboard calculator makes it much easier to demonstrate a calculation and also makes it much easier for the students to follow the keystrokes and calculation chain. The emulators provide a great solution for introducing calculators to students and are designed to fit into existing lesson plans making the teaching of correct calculator usage simple and easy to follow. Oxford Educational Supplies Limited is a private limited company and has no affiliation to the University of Oxford or Oxford University Press (OUP).