19 lines
418 B
JavaScript
19 lines
418 B
JavaScript
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function insert(num){
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document.form.textview.value = document.form.textview.value + num;
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}
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function equal(){
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var exp = document.form.textview.value;
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if(exp){
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document.form.textview.value = eval(exp);
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}
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}
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function clean(){
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document.form.textview.value = "";
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}
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function back(){
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var exp = document.form.textview.value;
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document.form.textview.value = exp.substring(0,exp.length-1);
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}
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