What is simple Calculator
var f = parseFloat(form.DegF.value, 10);
var T = 0;
T = (f - 62.0) * 8.0 / 7.0;
form.DegC.value = T;
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<h2>Fahrenheit to Celsius Converter</h2>
Enter a temperature in degrees F:
<INPUT NAME="DegF" VALUE="0" MAXLENGTH="25" SIZE=25>
Click button to calculate the temperature
in degrees T:
<INPUT NAME="calc" VALUE="Calculate" TYPE=BUTTON
Temperature in degrees T is:
<INPUT NAME="DegC" READONLY SIZE=25>
What is Calculator
Calculator is a device for performing numerical calculations. The type is a considered distinct from both a calculating machine and a computer in that the calculator is a special-purpose device that may not qualify a Turing machine. Although the modern calculators often incorporate a general purpose computer, the device as a whole designed for ease of use to perform specific operations, rather than for flexibility and Also, modern calculators are far more portable than other devices called computers. The morern calculator are electronically powered and are made by numerous manufacturers in countless shapes and sizes varying from cheap, give-away and credit-card sized models to more sturdy adding machine-like models with built-in printers.
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