I’m using an iphone, but the calculator is somewhat limited. I want something a bit more like the calculator that I used in school. Perhaps one approach is to use a simple page: <script type=”text/javascript”> var m = Math; var doeval = function(){ var cmd = document.getElementById(“commands”).value; document.getElementById(“history”).value+=”“+cmd+” : “+ eval(cmd) +”\n”; }; </script> <h2>Eval</h2> <p><label for=”history”>History:</label></p> <p><textarea id=”history”></textarea></p> <p><textarea value=”” [...]