Question about Casio Office Equipment & Supplies

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Desk-top calculator operation

I know this might sound stupid but I can't work out how to add and/or subtract on this model and can't understand the pictorial instrucions in the manual.

I can get the = sign to calculate division and multiplication but when I want to simply add columns of figures and then subtract I don't know how to do so. I only bought the machine this week and already it's driving me nuts.

Any advice you can give me would be gratefully received. Thanks

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  • flatronlcd Jul 17, 2008

    Thanks very much for having the courtesy and taking the time to reply I'm really grateful. Believe it or not, my problem is even simpler than this. If I want to add a list of financial items to show outgoings and incomings e.g. £15,000 + £11,500 + £26,000 - an outgoing of £10,000 I can't even perform this simple operation. If I add the 15,11.5 and 26 and press = nothing happens. If I press the + sign once more it adds the three numbers. If however I want to then deduct the 10 and press= still nothing happens and I don't know how to get it to display the £37,500 I'm looking for.

  • Anonymous Mar 24, 2014

    when two negative numbers subtract they should add together. but this calculator is subtracting. -39--11 should be -50 but it said -28. Why?



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First keep the manual aside .
From "columns of figures ",do u mean a set of calculations.If this is the case, if your calculator has brackets{ } or [ ] ,use this function to add or subtract columns of figures.
Eg: [789+546+123+852+6547+65]=8922
[789+587+6598+458] - [ 548+2587+456+584]=
8432 - 4175 = 4257
I hope this solution solves your problem.

Posted on Jul 17, 2008

  • Sumeet Sodhi Jul 18, 2008

    HI,tell me have you tried to do these calculations on some other calculator (a non scientific one please).

    (15000+11500+26000) - 10000 =52500-10000 =

    42500 pounds.

    how did you get 37500 pounds ?

    please do get back to me .



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