Interactive interface to the yacas

yacmode(enable_history = TRUE)

Arguments

enable_history

Use R history such that previous yacas commands can be used. Default is TRUE.

Value

Output of yacas is returned.

invisible NULL

Details

The user types valid yacas input and presses return. Type 'quit' to return to R prompt.

Note

Note that command will use R history() and modify it by default. Yacas is given a limited amount of time to complete, otherwise \[1\] CommandLine(1) : User interrupted calculation is returned. E.g. Taylor(x,0,5) 1/(1+x) will work, but Taylor(x,0,12) 1/(1+x) is likely to take too long.

Examples