"""Hypothetical arithmetic only: not card or circuit simulation. MIT: LICENSE.txt."""
import math
assert 24*10 == 240
assert 240*86400 == 20736000
assert 1000*16 == 16000
assert 32-1 == 31
assert math.ceil(24/31) == 1
assert 256/16000 == .016
assert abs(3.3/2200-.0015)<1e-12
assert abs(1/(1/2200+1/2200)-1100)<1e-9
assert abs(.05*.02/.3-0.0033333333333333335)<1e-12
assert len(b'A\x00B'.split(b'\x00')[0]) == 1
print('10 arithmetic checks passed; hypothetical inputs; no hardware simulation')