## ---- echo=FALSE--------------------------------------------------------------
require(IntCal)

## ---- fig.width=4, fig.asp=.8-------------------------------------------------
draw.ccurve()

## ---- fig.width=4, fig.asp=.8-------------------------------------------------
draw.ccurve(1600, 1950, BCAD=TRUE)

## ---- fig.width=4, fig.asp=.8-------------------------------------------------
draw.ccurve(1600, 2020, BCAD=TRUE, cc2='nh1')

## ---- fig.width=4, fig.asp=.8-------------------------------------------------
draw.ccurve(1600, 2020, BCAD=TRUE, cc2='nh1', add.yaxis=TRUE)

## ---- fig.width=5, fig.asp=1--------------------------------------------------
intcal.data(0, 500)