name: Hello, world!
"Hello, world!
output: Hello, world!

name: Fibonacci Numbers
ke;1c+
# more verbosely
# expand mdup 1 cons > + > $ take',
input: 10
output: 1\n1\n2\n3\n5\n8\n13\n21\n34\n55\n

name: FizzBuzz
O"FizzBuzz"4&2H}@r3,5%n*u
# more verbosely
# "Fizz","Buzz" 100 countTo [ repeat 3,5 % not * concat ] Or
output: 1\n2\nFizz\n4\nBuzz\nFizz\n7\n8\nFizz\nBuzz\n11\nFizz\n13\n14\nFizzBuzz\n16\n17\nFizz\n19\nBuzz\nFizz\n22\n23\nFizz\nBuzz\n26\nFizz\n28\n29\nFizzBuzz\n31\n32\nFizz\n34\nBuzz\nFizz\n37\n38\nFizz\nBuzz\n41\nFizz\n43\n44\nFizzBuzz\n46\n47\nFizz\n49\nBuzz\nFizz\n52\n53\nFizz\nBuzz\n56\nFizz\n58\n59\nFizzBuzz\n61\n62\nFizz\n64\nBuzz\nFizz\n67\n68\nFizz\nBuzz\n71\nFizz\n73\n74\nFizzBuzz\n76\n77\nFizz\n79\nBuzz\nFizz\n82\n83\nFizz\nBuzz\n86\nFizz\n88\n89\nFizzBuzz\n91\n92\nFizz\n94\nBuzz\nFizz\n97\n98\nFizz\nBuzz\n

name: Primes
}):;r(}t%Pv
# more verbosely
# countTo succ dup mdup repeat > pred countTo tail mod prod filter
input: 25
output: 2\n3\n5\n7\n11\n13\n17\n19\n23\n

name: Pi
m333}*3i2+/2HH2*+>
# more verbosely
# meld 333 countTo * 3 iterate 2 + > / 100 pow10 2 * + >
output: 31415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
