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    Skip Navigation LinksSchool > Calculators > Double Check

    Product information

    With DoubleCheck, the speaking calculator, you can not only calculate in the four basic arithmetic operations, you can also calculate percentages, square them, multiply them, pull the square root, and also store or add values to the saved value. This makes DoubleCheck a full-fledged commercial calculator, which is also used for compound interest, present value calculation and the calculation of annuities.


    Name Price Quantity
    DoubleCheck XL - Commercial Calculator
    Article ID305021
    102,90 €
    per piece
    incl. 19,00 % VAT
    In stock
    Calculator DoubleCheck with Speech Output
    Article ID305009
    104,90 €
    per piece
    incl. 19,00 % VAT
    In stock
    DoubleCheck XL Voice - Commercial Calculator
    Article ID305022
    124,90 €
    per piece
    incl. 19,00 % VAT
    In stock

    Last products

    * All prices incl. VAT, plus shipping and handling fee