HP 42S: Programming Complexity Question

[Gerald H]

Is it really more difficult to convert Arabic numbers to Roman than Roman to Arabic?

Here a 42S programme for A2R

http://www.hpmuseum.org/forum/thread-5583.html

size is 162 Bytes & here for R2A

http://www.hpmuseum.org/forum/thread-164...ight=roman

size 78 Bytes.

Is it my poor programming or is the inverse problem really so much more difficult?