Question about Casio fx-300ES Calculator

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When i turn it on it always appear f(X)= and on the sop the letter R and the word Math and i don't know how to chage it back to the normal one

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The R at the top of screen reminds you that angle unit is in Radians. The MATH says that the Input/Output mode is MathIO. In this IO mode, fractions are stacked (2levels) as in textbooks.. The R setting should not bother you unless you are doing trigonometry problems (in which case set the appropriate angle unit). The MathIO allows you to do exact calculations with fractions and radicals. Beside you can always convert fractions ad radicals to decimals.
As to the f(x)=, I believe you have changed the computational setting from COMP (usual) to TABLE. In table mode you supply a function and the calculator generates a table of values.
To recover the normal mode COMP, press MODE and select COMP (should be the choice 0:COMP).

Posted on Oct 15, 2010

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Posted on Jan 02, 2017

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