Basic Calculator. eCalc is a free and easy-to-use basic calculator that supports basic calculation features. View All Tools. Basic Online Calculator Help. Addition ... The sign key (negative key) is used by clicking on the "(-)" button or using the keyboard "m"key. The function results in -1*x.

The calculator shows the work for the math and shows you when to change the sign for subtracting negative numbers. Add and subtract positive and negative integers, whole numbers, or decimal numbers. Use numbers + and -. You can also include numbers with addition and subtraction in parentheses and the calculator will solve the equation.

The Negative Numbers are real numbers which is less than zero. Zero is neither considered as positive nor negative. The negative numbers are represented with Minus symbol (-) is written in front of a number.

This calculator uses addition, subtraction, multiplication or division for calculations on positive or negative decimal numbers, integers, real numbers and whole numbers. Visit these calculators for calculations on decimal numbers and see the work:

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Calculator is courtesy of Eni Generalic (www.periodni.com) You can specify how to round the result (i.e what number of decimal places to display) by using Mode>Decimals menu. The numbers can be both positive and negative.

What is A Calculator? Can I use A Calculator with my iPod, iPhone or Android device? Can I embed this on my website? How do I use the memory buttons? How do I enter negative numbers? How do I use the percent (%) button? If I enter 2×−3= I get −1. Shouldn't I get −6? Math Advice. What is an expression? What is an operand? What is an operator?

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I am in a real mess . Somebody save me please. I am getting a lot of issues with simplifying fractions, function domain and perfect square trinomial and especially with positive and negative number calculator.

Online Scientific Calculator. eCalc is a free and easy-to-use scientific calculator that supports many advanced features, including unit conversion, equation solving, and even complex-number math. eCalc is offered as both a free online calculator and as a downloadable calculator.