Sharp EL-512

contents of the memory.
When subtracting a number from the memory, depress the O and
keys in this order.
When the statistical mode is set,
raj; Used to enter the data (numbers).
Used to correct the mis-entry. (delete function).
(25)
(26)
(27)
*DEC -H EX
decimal notation con-
|~^T| [~y~| |~x~| Arithmetic functions/Hexadecimal
versions keys
Depressed for addition, subtraction, multiplication and division.
: Converts the number displayed in base 10 into a number in base 16.
|a«f] (h*c] : Converts the number displayed in base 16 into a number in base 10'
H=~| Equals key
Completes four arithmetic calculations (+, —, x, -t), %fy and Yx calculations.
X'(A> Gy
| Q | ~ [~^ j Numeral and statistical calculations keys
Used to enter numbers.
Hexadecimal entry:
0 ~ 9 P5~l F9l: -
1 0 - 1 5 -* § 3 Sa>] ~ S IM)
• When the statistical mode is set,
[W] : Used to obtain the estimated value of x.
|~r~|: Used to obtain the correlation coefficient in two-variable statistical
calculation.
|~a1: Used to obtain the constant a of the linear regression equation y =
a + bx.
flT l: Used to obtain the coefficient b of the linear regression equation
y = a + bx.
ID : Used to obtain the mean value of data (Data: x)
|Sx|: Used to obtain the standard deviation (sx) of the sample of data (x).
IffxI: Used to obtain the standard deviation (crx) of the population of data
(x).
fT] : Used to obtain the mean value of data (Data: y )