30 lines
444 B
Lua
30 lines
444 B
Lua
|
|
function on_alarm()
|
|
ui:show_text("Enter an expression")
|
|
end
|
|
|
|
function on_click()
|
|
ui:show_edit_dialog("Enter an expression")
|
|
end
|
|
|
|
function on_dialog_action(text)
|
|
if text == "" then
|
|
on_alarm()
|
|
else
|
|
ui:show_text(calculate_string(text))
|
|
end
|
|
end
|
|
|
|
function sqrt(x)
|
|
return math.sqrt(x)
|
|
end
|
|
|
|
function pow(x, y)
|
|
return math.pow(x,y)
|
|
end
|
|
|
|
function calculate_string(str)
|
|
return load("return "..str)
|
|
end
|
|
|