Microsoft Mathematics 4.0 is a graphing calculator that plots in both 2D and 3D, with step-by-step equation solving, and useful tools to help students with math and science studies.
Download available for Linux or Windows operating systems. GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives.
Download available for Linux, Windows or Apple Mac OS X.
You can paste the expression from the clipboard (that you copied from somewhere else) and you can copy the last calculation result to the clipboard using Ctrl+R.
Using SpeedCrunch you type the expression that you want to calculate and press Enter. SpeedCrunch is a fast, high-precision and powerful desktop calculator.
5 Desktop PC Calculators: Free Downloads 1. For students who need a calculator that offers memory, trigonometric, graphs or even factorial functions, this list of 15 free calculators for use on your laptop, desktop or mobile device will get you started with solving complex equations. In Ancient Greece, abacus appeared in the 5th century BC.For students who need a calculator that offers memory, trigonometric, graphs or even factorial functions, this list of 15 free calculators for use on your laptop, desktop or mobile device will get you started with solving complex equations.Īll operating systems provide a calculator, but most offer only basic mathematical functions such as addition, subtraction, multiplication and division. Presumably, the first Abacus appeared in ancient Babylon about 3 thousand years BC. Abacus was a grooved board with movable counting labels (stones or bones). The ancestor of the modern calculator is Abacus, which means "board" in Latin. You can see the current math calculations in a smaller display that is below the main display of the calculator.Ĭalculations order for this given example is the following: 2+2=4, subtotal - 4. Why do we get 8 when trying to calculate 2+2x2 with a calculator?Ĭalculator performs mathematical operations in accordance with the order they are entered. įrequently asked questions about the calculator To enter (divide) - key on the numeric keypad on the right or a combination of keys and. To enter (multiplication) - key on the numeric keypad on the right or a combination of keys and. To enter - key at the top or key on the right. To enter - key at the top or key on the numeric keypad on the right. To erase the last character - (arrow keys). To use free online calculator you can use both ordinary numeric buttons at the top of a keyboard and numeric buttons on the right of a keyboard. The result is equal to 625.ĭeduction percentage of the number: 500 25. The result is equal to 5(%).Īdding percentage to the number: 500 25. The result is equal to 125.Ĭalculating what percent is one number of another number: 25 500. The result is equal to 81.Ĭalculation of percentage of the number of: 500 25. resets the calculator without resetting the memory.Įxamples of calculations on the online calculatorĬalculate the square root of 529: 529.
reset the calculator and reset the memory addition, - subtraction, - multiplication, - division remove the last character on the display Instructions for using the online calculator Keys function Detailed instructions for using the calculator, see below. You can make not only simple math calculations and calculation of interest on the loan and bank lending rates, the calculation of the cost of works and utilities.Ĭommands for the online calculator you can enter not only the mouse, but with a digital computer keyboard. Use for work, school or personal calculations. Large, easy and convenient online calculator