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Hello,

On Sharp calculators, the shift key is the [2ndF] key.

Hope it helps.

On Sharp calculators, the shift key is the [2ndF] key.

Hope it helps.

5/22/2023 5:56:55 PM •
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on May 22, 2023

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http://www.sharpusa.com/files/cal_man_EL531_509.pdf.

3/22/2019 8:48:16 PM •
Sharp EL-531VB...
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on Mar 22, 2019

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Can anyone provide the steps for calculating IRR on the Sharp EL-531WH?

10/27/2018 9:02:27 AM •
Sharp EL-531VB...
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on Oct 27, 2018

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10/27/2018 8:59:35 AM •
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on Oct 27, 2018
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9/13/2017 12:18:02 AM •
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Set up > TAB > then select how many numbers you want after the decimal place.

1/16/2016 2:19:09 AM •
Sharp EL-531VB...
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on Jan 16, 2016

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Heres how to set it up...

2/21/2015 2:32:08 PM •
Sharp EL-531VB...
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on Feb 21, 2015

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Hi there,
Press the fraction key after you get the answer.

11/26/2014 2:29:47 PM •
Sharp EL-531VB...
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on Nov 26, 2014

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Hi there,
Change your settings to scientific notation. To do this press SETUP and choose 0 for FSE and then 1 for SCI.

11/26/2014 11:39:05 AM •
Sharp EL-531VB...
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on Nov 26, 2014

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On any SHARP scientific calculator the combination button is always above the 5 (except the financial calculator). To get a combination type in the n value (the total number of items) press 2nd F and the 5 button and then type in the number of selected items and press =.

11/26/2014 7:49:49 AM •
Sharp EL-531VB...
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on Nov 26, 2014

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9/6/2014 11:15:32 PM •
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on Sep 06, 2014
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The calculator is non programmable but if you use the up arrow key in a mode you can see previous calculations in the memory

8/27/2014 3:05:06 PM •
Sharp EL-531VB...
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on Aug 27, 2014

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The half life of Actinium 226 is about 1.2 days (Check with the source of the question). Let the half life be T_1/2.
The equation of the radioactive decay is
N(t)=N_0*exp(-ln2*t/T_1/2)
For the mass
m(t)=m_0*exp(-(ln2)*t/T_1/2)
There remains 6.16 mg after 87 hours.

7/26/2014 12:50:13 AM •
Sharp EL-531VB...
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on Jul 26, 2014

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5/6/2014 9:01:09 AM •
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on May 06, 2014
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5/2/2014 6:36:21 AM •
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on May 02, 2014
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Press SETUP, select "FSE", then select "SCI".

4/25/2014 3:00:03 PM •
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on Apr 25, 2014

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4/24/2014 5:06:26 PM •
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on Apr 24, 2014
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Yes look you can't enter the base in calculators it's default 10 so use:

log x base y = log x / log y

log (x*y) = log x + log y

log (x/y) = log x - log y

so instead of log 8 base 2 input log 8 / log 2 it's easy

hope you understand :)

log x base y = log x / log y

log (x*y) = log x + log y

log (x/y) = log x - log y

so instead of log 8 base 2 input log 8 / log 2 it's easy

hope you understand :)

4/16/2014 10:21:18 AM •
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on Apr 16, 2014

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4/3/2014 7:22:24 AM •
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on Apr 03, 2014
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3/18/2014 3:45:08 AM •
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