Simple BASIC interpreter written in C#. Language syntax is modernize version of BASIC, see example below.
print "Hello World"
let a = 10
print "Variable a: " + a
let b = 20
print "a+b=" + (a+b)
if a = 10 then
print "True"
else
print "False"
endif
for i = 1 to 10
print i
next i
goto mylabel
print "False"
mylabel:
Print "True"