ex
√x
x2
Math.exp(x)
Math.sqrt(x)
exp(x)
sqrt(x)
sq(x)
cos x
tan x
Math.cos(x)
Math.tan(x)
cos(x)
tan(x)
arccos x
arctan x
Math.acos(x)
Math.atan(x)
arccos(x)
arctan(x)
x
x
Math.ceil(x)
Math.round(x)
ceil(x)
round(x,n)
Math.max(a,b)
max([a,b,c,...])
| Syntax | Input Type(s) | Description
| base(x,b1,b2) | Base-10 Integers | converts x from base b1 to b2 (x can be an array)
| factor(x) | Integer >1 | returns an array of prime factors of x
| factorial(x,n) | pfactorial(x) Integer >0 | computes the n-factorial of x | multiplies all primes ≤ x isprime(x) | Integer >1 | tests whether an integer is prime
| fibonacci(x) | Integer >0 | computes the xth term of the Fibonacci sequence
| gcd([a,b,c,...]) | lcm([a,b,c,...]) Array of Numbers | Array of Numbers computes the greatest common factor of a,b,c,... | computes the least common multiple of a,b,c,... product([a,b,c,...]) | sum([a,b,c,...]) Array of Numbers | Array of Numbers computes a*b*c*... | sums a+b+c+... sign(x) | Number | returns the sign of x: either –1, 0, or 1
| csc(x) | sec(x) cot(x) Number | Number Number computes the cosecant of x | computes the secant of x computes the cotangent of x arccsc(x) | arcsec(x) arccot(x) Number | Number Number computes the inverse cosecant of x | computes the inverse secant of x computes the inverse cotangent of x sinh(x) | cosh(x) tanh(x) Number | Number Number computes the hyperbolic sine of x | computes the hyperbolic cosine of x computes the hyperbolic tangent of x csch(x) | sech(x) coth(x) Number | Number Number computes the hyperbolic cosecant of x | computes the hyperbolic secant of x computes the hyperbolic cotangent of x arcsinh(x) | arccosh(x) arctanh(x) Number | Number Number computes the inverse hyperbolic sine of x | computes the inverse hyperbolic cosine of x computes the inverse hyperbolic tangent of x arccsch(x) | arcsech(x) arccoth(x) Number | Number Number computes the inverse hyperbolic cosecant of x | computes the inverse hyperbolic secant of x computes the inverse hyperbolic cotangent of x |
| Notation | JavaScript Syntax | PlayGround Syntax
| |x| | Math.abs(x) | abs(x)
| xy | ex √x x2 Math.pow(x,y) | Math.exp(x) Math.sqrt(x) pow(x,y) | exp(x) sqrt(x) sq(x) ln x | Math.log(x) | ln(x) or log(x,b)
| sin x | cos x tan x Math.sin(x) | Math.cos(x) Math.tan(x) sin(x) | cos(x) tan(x) arcsin x | arccos x arctan x Math.asin(x) | Math.acos(x) Math.atan(x) arcsin(x) | arccos(x) arctan(x) xxMath.floor(x) | Math.ceil(x) Math.round(x) floor(x) | ceil(x) round(x,n) Math.min(a,b) | Math.max(a,b) min([a,b,c,...]) | max([a,b,c,...]) | pi, e | | Math.random() | random(b1,b2,n)
| |
Computation Examples
abs(–17)=17
arccos(0)=1.5707963267948965
arccosh(1)=0
base(5,2)=101
ceil(pi/2)=2
exp(2)=7.38905609893065
factor(60)=[2,2,3,5]
factorial(5)=120
factorial(5,2)=15
fibonacci(17)=1597
floor(pi/2)=1
gcd(20,25)=5
lcm(20,25)=100
log(100,10)=2
ln(2)=0.6931471805599453
max([5,65,1105])=1105
min([5,65,1105])=5
pow(2,3)=8
product([1,3,5,7,9])=945
random(1,4,5) could equal 1.61803, 2.71828, 3.14159, and many other values
round(pi/2)=2
round(pi/2,2)=1.57
sign(3)=1
sign(–3)=–1
sin(pi/2)=1
sinh(ln(2))=.75
sqrt(289)=17
sum([1,2,3,4,5,6,7,8,9])=45
The above are courtesy E Rowland of http://math.rutgers.edu/