You need
javascript
to be turned
on
for this to work !
History
(last 20 entries)
Play
Replay
Settings
Your answer
Check
History
Settings
Number
Number of digits
Number of rows
Time
Flash (ms)
Timeout (ms)
Mode of operation
Subtractions
Continuous mode
(hands free)
Text To Speech
Voice Language
Font
Size
The current font size is
xx
Color
Background