Question about Casio DR-T220 Calculator
My work book tells me to use the "plus equal" key for certin equations...problem is...there isn't one! im using a casio DR-T220...is there another way to get the same effect as the "plus equal button? and if so...how?
Press the plus key again, it should work. ie put a number in and press the plus key twice, it should double, and again it should double again and so on
Posted on Sep 17, 2008
After add some numbers or minus equal key not show result or not working only show multiple or divide
Posted on Nov 16, 2008
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Posted on Jan 02, 2017
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