Whetstone Algol on the Web

Type in your program here:

To see the results again click here.

Diagnostic output from the emulation is here.

Typing Algol60 in the 21st century

Algol60 programs intended for input to Walgol are typed with the following conventions:
typescriptKDF9 Algolofficial Algol60
'begin' etcbeginbegin
>=≥≥
<=≤≤
!=≠≠
%÷÷ integer divide
*×× multiply
_ underline for space in a string (i.e. a * in KDF9 paper tape code)
@ for end message (because it is involved in message)
{} curly brackets for underlined square ones (Algol60 string quotes).