The goal of ch is to solve some questions.
You can install ch :
install.packages('ch')
# or from github
devtools::install_github('tsiamut/ch')This is a basic example which shows you how to solve a common problem:
library(ch)
#basic example code
# You can draw a ruler:
draw_ruler(5)
## And even draw the periodic table.
period_table()
show_color(colors())
sym2poly('x*4 + x^4 + 5*x^7 + x*x^9')