//function that display value function dis(val) { document.getElementById(\”result\”).value+=val } //function that evaluates the digit and return result function solve() { let x = document.getElementById(\”result\”).value let y = eval(x) document.getElementById(\”result\”).value = y } //function that clear the display function clr() { document.getElementById(\”result\”).value = \”\” } .title{ margin-bottom: 10px; text-align:center; width: 210px; color:green; border: solid black 2px; } input[type=\”button\”] { background-color:green; color: black; border: solid black 2px; width:100% } input[type=\”text\”] { background-color:white; border: solid black 2px; width:100% }