![]() Some calculators may also change the C to a CE button as numbers are entered. With some calculators, the CE button may not be visible until something is entered in the calculator. Calculators that have this key may also have a CE button (mentioned below). ![]() CĬ is short for "clear" and is a button used to clear all last numbers and totals. Back arrowĮrase the last number entered in the calculator. For software calculators, this button may be C instead of AC. If the calculator is off, this button may also turn on the calculator. ACĪC is short for "all clear" and is a button to clear all calculations back to 0. The A b/c button allows you to insert various values for an integer and exponents. For example, if you enter "2" in the calculator and then press this button, the value becomes ½, which the calculator shows in decimal form as 0.5. ![]() The 1/x button places the number as the denominator (bottom) of a fraction and adds a "1" as the numerator (top). Get Pi value (3.14159.), up to the number of digits the calculator supports. The square root button gives you the square root of a number. The left and right parentheses are used to handle the order of operation in an equation. On a software calculator, you can press Enter to get a total without pressing the = button. ![]()
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