Casio Calculator SL-450S

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The Casio SL-450S calculator is very easy for children to use. 

  • Casio calculator
    Casio calculator

    Posted by Jenete on 26th Feb 2021

    After using a Phone calculator I ordered this for my son. It has been a nice addition to support the level E lessons. Also he has enjoyed using the calculator without having to borrow my phone.