Question about Sharp ELW535 Calculator
Posted by Anonymous on
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Posted on Jan 02, 2017
This calculator does not have a program to which you give the equation, and which returns the solutions. Sorry. You have to use the formulas you learned.
Let the equation be ax^2 +bx+c=0
You compute the discriminant Call it disc.
1. If discriminant is larger than zero you have two solutions. Let us call them x1 and x2.
Then x1=(-b+square root of disc)/(2*a)
and x2= (-b-square root of disc)/(2*a)
2. If disc=0 , square root of disc =0 and x1=x2=-b/(2*a)
3. If disc is negative, there are no real solutions.
To find the solutions you replace a, b, and c by their numerical values, to calculate disc, its square root, and calculate X1 and X2.
Hope it helps.
Posted on Sep 17, 2009
From the manual:
SETTING THE NUMBER OF DECIMAL DIGITS
Numbers of decimal digits of calculation results can be specified by pressing [C-CE] twice, then press [C-CE]and [M+] simultaneously.
The decimal digit assignment will appear as “F” (for “floating point”), “2” or “0” on the LCD. (The default is “F”.)
Press and hold [C-CE] and [M+] until the symbol changes.
Posted on Sep 29, 2009
on the key pad row above 7-8-9-(-) all the way to the left there is a key that says change with two arrows moving in a cicle press after each answer will change from even fraction to uneven fraction then decimal
Posted on Oct 17, 2011
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