Some functions ...
plot(sin(-x)*pow(1.5,-r))
plot(pow(2,sin(y))*pow(2,sin(x))/12)
plot(sin(x*y/10)/10)
plot(sin(r)/r)
plot(tanh(x)+tanh(y))/3
plot(1/sqrt(2*pi))*e^(-(r^2)/2)
clear
helpful()
remainder(x, y) Remainder returns the IEEE 754 floating-point remainder of x/y.
roundtoeven(x) RoundToEven returns the nearest integer, rounding ties to even.
sqrt(x) Sqrt returns the square root of x.
cos(x) cos returns the cosin of the radian argument x.
abs(x) Abs returns the absolute value of x.
exp2(x) Exp2 returns 2**x, the base-2 exponential of x.
Jn(x, y) Jn returns the order-n Bessel function of the first kind.
log(x) Log returns the natural logarithm of x.
log10(x) Log10 returns the decimal logarithm of x.
The special cases are the same as for Log.
sinh(x) Sinh returns the hyperbolic sine of x.
tan(x) Tan returns the tangent of the radian argument x.
asin(x) asin returns the arcsine, in radians, of x.
acosh(x) acosh returns the inverse hyperbolic cosine of x.
atanh(x) atanh returns the inverse hyperbolic tangent of x.
J1(x) J1 returns the order-one Bessel function of the first kind.i
Y1(x) Y1 returns the order-one Bessel function of the second kind.
atan2(x, y) atan2 returns the arc tangent of y/x, using the signs of the two to
determine the quadrant of the return value.
expm1(x) Expm1 returns e**x - 1, the base-e exponential of x minus 1.
It is more accurate than Exp(x) - 1 when x is near zero.
min(x, y) Min returns the smaller of x or y.
pow10(x) Pow10 returns 10**n, the base-10 exponential of n.
tanh(x) Tanh returns the hyperbolic tangent of x.
trunc(x) Trunc returns the integer value of x.
acos(x) acos returns the arccosine, in radians, of x.
cbrt(x) Cbrt returns the cube root of x.
exp(x) Exp returns e**x, the base-e exponential of x.
hypot(x) Hypot returns Sqrt(p*p + q*q), taking care to avoid
unnecessary overflow and underflow.
Yn(x, y) Yn returns the order-n Bessel function of the second kind.
ceil(x) Ceil returns the least integer value greater than or equal to x.
inf(x) Inf returns positive infinity if sign >= 0, negative infinity if sign < 0.
ldexp(x, y) Ldexp is the inverse of Frexp. It returns frac × 2**exp.
log2(x) Log2 returns the binary logarithm of x.
The special cases are the same as for Log.
logb(x) Logb returns the binary exponent of x.
max(x, y) Max returns the larger of x or y.
atan(x) atan returns the arctangent, in radians, of x.
FMA(x, y, z) FMA returns x * y + z, computed with only one rounding.
(That is, FMA returns the fused multiply-add of x, y, and z.)
gamma(x) Gamma returns the Gamma function of x.
J0(x) J0 returns the order-zero Bessel function of the first kind.
dim(x, y) Dim returns the maximum of x-y or 0.
floor(x) Floor returns the greatest integer value less than or equal to x.
mod(x, y) Mod returns the floating-point remainder of x/y.  The magnitude of the
result is less than y and its sign agrees with that of x.
nextafter(x, y) Nextafter returns the next representable float64 value after x towards y.
round(x) Round returns the nearest integer, rounding half away from zero.
sin(x) Sin returns the sine of the radian argument x.
Y0(x) Y0 returns the order-zero Bessel function of the second kind.
asinh(x) asinh returns the inverse hyperbolic sine of x.
copysign(x, y) Copysign returns a value with the magnitude of x and the sign of y.
log1p(x) Log1p returns the natural logarithm of 1 plus its argument x.
It is more accurate than Log(1 + x) when x is near zero.
pow(x, y) Pow returns x**y, the base-x exponential of y.

expr: X: Y: R:

search all docs : helpful(search term)
or get help for a specific function : help(function)