// Numerical values.
#1 \
#1.0e-4 \
#3.15 \
#1e-10 \
#50.368% \
#0.0000012345pt \
#4.5cm \
#12e1pt \
#2.5rad \
#45deg \
#1.7em \
#(1cm + 0em) \
#(2em + 10pt) \
#2.3fr