Question about Casio FX-250HC Calculator

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Casio fx-250HC I can't seem to get the memory to clear. Tried shift-SAC . . . the "M" remains on display.

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Press "0"(zero) then Min (memory in). This will clear the memory- do it that way with my 250hc all the time.

Posted on Jan 14, 2010

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I can't find a sac button on my casio fx-115ES calculator.


Which manual are you referring to?

From page E-47 of the fx-115ES manual at http://www.fixya.com/support/p480502-casio_fx_115es_scientific_calculator/manual-19877, you clear the stat data by pressing SHIFT 1 3 2 while in the stat mode.

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I can't find the sac button


Which manual are you referring to? From page E-47 of the fx-115ES manual at http://www.fixya.com/support/p480502-casio_fx_115es_scientific_calculator/manual-19877, you clear the stat data by pressing SHIFT 1 3 2 while in the stat mode.

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How to raise to the tenth power


Use x^y, which is the shifted function of the multiply key. For example, to raise two to the tenth power, press 2 SHIFT [x^y] 1 0 = .

Feb 01, 2012 | Casio FX-250HC Calculator

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I need a casio manual for an fx-250HC calculator. Where can I find one?


You can download the manual from the manufacturer's web site at
http://support.casio.com/pdf/004/fx82SX_E.pdf

Jul 09, 2011 | Casio FX-250HC Calculator

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I need the instruction manual for a fx-250hc.


http://support.casio.com/pdf/004/fx82SX_E.pdf

Oct 05, 2010 | Casio FX-250HC Calculator

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How to use that standard deviation on the Casio fx-260solar calculator


  1. Calculator must be in SD mode (standard deviation mode) :Press [MODE] [.]
  2. However, if [FIX] or [SCI] appears on display you must press [MODE][9] first.
  3. Data input always starts with [SHIFT][SAC], to clear the registers of old data.
  4. Type a number and press the [DATA] key, it is the [M+] key at the bottom right of keypad.
After you finish entering the data

Press [SHIFT] [9] (sigma n-1) to get sample standard deviation
Press [SHIFT][8] (sigma n] for the population standard deviation
Press [SHIFT] [7] (xbar) for the mean
Press [SHIFT] [6] (n) for the number of data entries
Press [SHIFT] [5] (capital sigma x) for the sum of values
Press [SHIFT] [4] (capital sigma x to y) for the sum of squares of the values

For additional information you might consider taking a look at the calculator manual

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1 Answer

Casio fx-250hc


they can't go off, u hv to be in one of the three modes

Apr 02, 2008 | Casio FX-250HC Calculator

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