GraphViewer - Scientific Calculator for your mobile
GraphViewer - Scientific Calculator for your mobile

Custom Search
GraphViewer - Scientific Calculator for your mobile

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

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 Indefinite integral
  • I(x1, x2, f(x)): the definite integral of function f(x) between x1 and x2 : definite integral
GraphViewer - Scientific Calculator for your mobile

Constants

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

Designed by Tim Vermeiren (2016)
Translated by Tim Vermeiren