I haven't spent a lot of time on these, so there may be bugs and/or features, so if something seems really wrong, let me know. Thanks.
add2.html: add two numbers
addup.html: add up numbers until 0
area.html: computes area of circle from radius
areafcn.html: computes area of circle with function
firstname.html: computes first name alphabetically
max.html: find maximum numeric value
name2.html: concatenate two names
ring.html: computes area of ring with function
sign.html: computes sign of number
sort.html: sort a set of names
while.html: computes i, i**2 in a while loop
loop.html: infinite loop: careful!
for.html: Foxtrot for loop