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And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. Note that if the AC key is not visible, hitĬE and then AC to clear out your calculation.ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. UseĬE to clear out the most recent entry. Use AC to clear out the current calculation. To recall the number in the calculator memory hit M- the number on the display is subtracted from the number in the calculator memory. M+ the number on the display is added to the number in the calculator memory. The calculator memory is at 0 until you hit m+ or m. List price = 40, discount percentage = 25% List price = 35.25, tax percentage = 7.5% Interest rate (i) for a number of years (n)įuture value (FV) of a present value (PV) at Present value (PV) of a future value (FV) at Reciprocal or multiplicitive inverse of x or, x -1
SIMPLE MATH EQUATION CALCULATOR HOW TO
You can also learn how to do present value and future value on a calculator.įor all of the above, if a second operand is not entered the first operand will be repeated.Ĭlear memory to 0, will not affect displayĮnter your calculation in the order to be executed given parentheses and PEMDAS priority Examples show you how to do simple math as well as how to do percentages on a calculator. Follow the steps to input numbers and symbols and perform calculations with operator buttons. To copy, highlight the results in the display window and copy to your clipboardīrowse example calculations using the Basic Calculator.Using a touchscreen, on a phone or tablet, tap into the display then use the virtual keyboard delete button.Using a keyboard, backspace with the delete button.Use your delete/backspace key to delete one character at a time from the right +/- Plus/minus toggles the pos/neg sign of the displayed number.What Are the Functions on the Calculator? How to do repeating operations, higher powers and roots, memory and clear functions for this standard calculator are explained below.Ĭontrol the calculator using a mouse, keyboard or number pad, or by touch if supported by your device. The calculator includes functions for square root, percentage, pi, exponents, powers and rounding. Use this basic calculator online for math with addition, subtraction, division and multiplication. This is a simple calculator with memory functions similar to a small handheld calculator.
