Sample Session

```

library(Ryacas)

>

algebra

library(Ryacas) x <- Sym('x') (x+1) * (x-1) expression((x + 1) * (x - 1)) Simplify("%") expression(x^2 - 1) PrettyForm("%") 2
x - 1

>

calculus

Integrate(x+tan(x), x) expression(x^2/2 - log(cos(x)))

>

exact arithmetic

yacas('12/24') expression(1/2)

>

ASCII pretty printing

exp(-x^2)/(cos(x)+exp(x)) expression(exp(-x^2)/(cos(x) + exp(x))) PrettyForm("%") / / 2 \ \

Exp\ -\ x / /

Cos( x ) + Exp( x )

>

matrix - yacas matrices are row-wise

List(List(1,2),List(x,6)) expression(list(list(1, 2), list(x, 6))) PrettyForm("%") / \ | ( 1 ) ( 2 ) | | | | ( x ) ( 6 ) | \ /

>

output TeX

k <- Sym('k') yacas(TeXForm((x+1)^2 + k^3), retclass = 'unquote') $\left( x + 1\right) ^{2} + k ^{3}$

>

detach()

```