Question about Sharp EL-531VB Calculator
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Posted on Jan 02, 2017
SOURCE: how to calculate
It's very simple: the calculators have a default base 10 so that log x it's log x base 10 so here is some logs:
log x base y = log x / log y
log (x*y) = log x + log y
log (x/y) = log x - log y
Hope it's helped
Posted on Jul 06, 2009
for the mean, just add them together and divide answer by the amount of figures you put in. as for the others, i'm not sure a standard scientific calculator will do that
Posted on Jun 11, 2009
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 Callit 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
No solution, but I have the exact same problem with a Sharp EL-531W calculator. Doesn't matter whether mode is degrees, radians, etc., and resetting with button in back has no effect.
Posted on Aug 19, 2010
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