Question about Casio Brand New-Fx-991es Plus - Scientific Calculator
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Posted on Jan 02, 2017
SOURCE: mode change
Just so that we know what we are talking about. The natural display is the display mode in which fractions appear on two lines, radicals appear as radicals, log can be calculated in any base, etc. If that is what you understand by Natural Display, we are in agreement.
To set this mode, you turn calculator ON and press [SHIFT][MODE] (setup). The option is called MathIO, and it has the number 1.
Hope it helps.
Posted on Oct 13, 2009
First let us repair the terminology.
Hope it helps.
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Posted on Dec 03, 2009
It's a bit convoluted, and it only works for integers, but here's one way. Press MODE 4 to switch to BASE-N (integer) mode. If the screen doesn't read "Dec" then press the x^2 key. Now, to calculate a mod b, calculate a-a/b*b. No shortcuts, no rearranging. That's a minus a divided by b times b. You have to enter both numbers twice, but you will get the modulus.
Press MODE 1 to return to your previously scheduled calculations.
Posted on May 11, 2011
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