Question about Casio fx-300ES Calculator
When you calculate the product 7.4 x2, the calculator gives you a fraction reduced to it simplest terms, 74/5 . The result is correct, but it happens that you want it expressed as a decimal rather than a fraction. To fix that all you have to do is to press the button [S<->D] above the red [DEL] key. It allows you to toggle the display format between fraction and decimal.
74/5 [S<->D] changes display to 14.8 and if you press the key again you go back to fraction
14.8 [S<->D] 74/5
Similarly, if you enter square root of 2 and it displays as a radical, you convert it to a decimal by pressing the key [S<->D].
The fraction and radical formats allow you to do exact claculations. But if you do not want to hear about that you can just press [SHIFT][MODE][2:LineIO] : Your calculator will do things the old way, but you will lose some important functionalities.
My suggestion is to set the default mode [MathIO] by pressing [SHIFT][MODE][MathIO] and to press the [S<->D] key to convert to decimal.
Hope it helps.
Posted on Oct 17, 2009
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Posted on Jan 02, 2017
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