Question about Casio fx-300ES Calculator
On old calculators fraction elements are separated by what you call a "backward L". If there is only one "backward L", the number to its left is the numerator, and the one on its right is the denominator.
If you have two "backward L", you are dealing with mixed numbers: The first number (to the left) is the integer portion. The number in the middle is the numerator of the fraction part, and the last number is the denominator of the fraction part.
Ex: 3 1/2 appears as 3 u 1 u 2. Here u stands for your "backward L".
As to your "various other problems with other keys" I am sorry I cannot imagine what you mean you will have to say more.
If you wan to see stacked fractions (multi-level ones) as you enter them, set Input/Output mode to MathIO. To do so, press [SHIFT][MODE] and select [1:MathIO].
If you do not want stacked fractions, press [SHIFT][MODE][2:LineIO].
Posted on Oct 15, 2010
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Posted on Jan 02, 2017
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