Create an Expression in R Programming – expression() Function Last Updated : 24 Jun, 2020 Improve Improve Like Article Like Save Share Report expression() function in R Language is used to create an expression from the values passed as argument. It creates an object of the expression class. Syntax: expression(character) Parameters: character: Expression, like calls, symbols, constants Example 1: # R program to create an expression # Calling expression() Function x <- expression(2 ^ 3) x # Printing value of the expression eval(x) Output: expression(2^3) [1] 8 Example 2: # R program to create an expression # Calling expression() Function x <- expression(sin(pi / 2)) x # Printing value of the expression eval(x) # Printing class of expression class(x) Output: expression(sin(pi/2)) [1] 1 [1] "expression" Like Article Suggest improvement Previous Calculate Hyperbolic tangent of a value in R Programming - tanh() Function Next Check if an Object is an Expression in R Programming - is.expression() Function Share your thoughts in the comments Add Your Comment Please Login to comment...