by Leo W.
Version 1 (January 20, 2017)
Download (85 downloads)
A simple calculator supporting the four basic arithmetic operations. Press "Cancel" to end the program.
v4: I've shrunk the flow as much as possible into only 5 blocks. This can be used as an example to learn how to keep number of blocks into a minimum.
v6: Further shrinkage to only 4 blocks!