نمودار های خود را با GraphViewer Scientific Calculator v1.0.3 رسم کنید - جاوا
GraphViewer Scientific Calculator v1.0.3
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Free Scientific Calculator for your mobile
Use this scientific calculator for all your math problems
What is GraphViewer
Features
You can enter any mathematical function you want to plot and evaluate
You can zoom in/out and move the canvas infinitely
The solutions of an equation can be calculated and shown
Easy function input with the insert function command (list of commands).
The first derivate can be shown
You can calculate the local minima and maxima of the function
The second derivate can be shown
You can calculate the function inflection points
Multiple functions can be plotted in different colors at once
The intersection points of the different equations are calculated and can be shown
You can interactively evaluate the functions at their critical points
You can show a function table with the function coordinates at it's critical points
(So the null points, minima, maxima, inflection points... are automatically calculated)
Build-in samples show the possibilities of the functions
Calculate any function point up to 14 decimals.
In the settings you can set the internal precision, so you can choose between low precision (fast) or high precision (slow), depending on the speed of your mobile. These settings are saved, so you don't have to reset it each time.
You can save your equations and add them to the samples library of the Graph Viewer. These samples are saved persistent, for as long as you want.
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Build-in Functions
Basic operations
a + b: the sum of a and b
a - b: the difference of a and b
a * b: a times b
Tip: When a and b are no numbers, the multiplication sign can be omitted:
e.g.: 2epixxsin(x) equals 2*e*pi*x*x*sin(x)
a / b: a divided by b
a ^ b : a power b
sqrt(x): square root of x
exp(x) or e^(x): number e power x
ln(x): the natural logarithm of x
log(x): the 10 base logarithm of x
Constants
e: the number e (e=2.718281828...)
pi: the number pi (pi=3.1415926536...)
A: Avogadro constant (A=6.02214179e23 / mol)
q: Elementary charge (q=1.602176462e-19 Coulomb)
h: Planck constant (h=6.6260693e-34 J.s)
F: Faraday constant (F=96485.3 Coulomb/mole)
G: Gravitational constant (G=6.67428e-11 m³/kg.s² )
p: Permittivity of vacuum or electric constant ?0 (p=8.854187817e-12 F/m)
m: Magnetic constant or vacuum permeability ?0 (m=1.2566e?6 H/m)
Note: the result of a Formula (in the GraphViewer calculator) is rounded up to 10^-14,
so q and h seem to be zero, but "q*10^10" gives 1.60218e-9
Discrete functions
abs(f): the absolute value of function f
a % b: a modulo b
a ! : the faculty of a
floor(f): the floor of function f (e.g.: floor(3.6) gives 3)
ceil(f): the ceil of function f (e.g.: ceil(2.1) gives 3)
frac(f): the fraction of function f (e.g.: frac(2.345) gives 0.345)
rnd: random number between 0 (inclusive) and 1 (exclusive)
warning: you can't evaluate nor show the table of an equation using rnd
P(n,k): the number of permutations while chosing k elements out of n elements in a specific order
C(n,k): the number of combinations while chosing k elements out of n elements in any order
Trigoniometry
sin(f): the sine of function f (in radians)
cos(f): the cosine of function f (in radians)
tan(f): the tangent of function f (in radians)
asin(f): the arc sine of function f (in radians)
acos(f): the arc cosine of function f (in radians)
atan(f): the arc tangent of function f (in radians)
sinh(f): the hyperbolic sine of function f (in radians)
cosh(f): the hyperbolic cosine of function f (in radians)
tanh(f): the hyperbolic tangent of function f (in radians)
rad(f): converts function f from degrees to radians
Tip: use "sin(rad(90))" to calculate the sine of 90 degrees (gives 1)
deg(f): converts function f from radians to degrees
Tip: use "deg(asin(1))" to calculate the arc sine of 1 in degrees (gives 90 degrees)
where f can be any combination of functions
Differential functions
D(f): the derivate of function f
I(f): the indefinite integral of function f, the constant term is chosen so that the integral will go through the origin
I(x1, x2, f(x)): the definite integral of function f(x) between x1 and x2
References to other Equations
f(a): refers to the a-th equation.
e.g.: eqn1="sin(x)" and eqn2="f(1)+1"
is the same as eqn2="sin(x)+1"
Attention: you can only refer to previous equations
other language:
کد:
http://www.graphviewer.com/index.jsp?page=languages
More info
More information can be found on
کد:
http://www.graphviewer.com/index.jsp?page=languages
آدرس دريافت فايل :
کد:
http://persiandrive.net/627032
