In Ancient Greece, abacus appeared in the 5th century BC. 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 Includes basic handheld calculator functions for. remove the last character on the display Basic Online Calculator with 10-digit keypad and 4 functions to add, subtract, multiply and divide numbers. 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. Erasmus+ Overview Documents and guidelines How to apply Application guidance Where to apply Registering your organisation Distance Calculator Online. Use for work, school or personal calculations. The calculation would go on forever, so we have to stop somewhere.Ĭontact us with any suggestions for improvements or enhancements to this full precision calculator.Large, easy and convenient online calculator The same thing happens with functions like square root, sine, cosine, etc. Most calculations are done to full precision.īut some decimals go on forever (such as 1/3 = 0.33333.), so we stop after 200 decimals. To estimate how long it should take on your device.Īlso if you want to calculate high powers, for example, 2^1000, it may be quicker to calculate 2^100, then take that result and raise that For example if 200! is taking a long time, then try 100!, then 120! etc In some cases it may be better to approach things more gently. It is up to you whether to continue to run the script or not.
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