Changes in version 0.4 (2024-05-16) o Release to CRAN. o Add replace.constraints argument in impliedS(). o Convert some reserved words, e.g., "lambda" and "I", before applying the functions. o Fix two bugs in impliedS. o Add JacobianRAM to calculate Jacobian matrix based on an RAM model. Changes in version 0.2 (2023-05-31) o Release to CRAN. o Change the backend from Ryacas to caracas, add oxygen2. Changes in version 0.1.1 o Fix impliedS() to work with "_" character in RAM. Changes in version 0.1 (2020-07-16) o Release to CRAN.