Use for perform, college or particular Snow Day Calculator . You may make not merely easy math calculations and computation of fascination on the loan and bank financing costs, the formula of the expense of works and utilities. Orders for the web calculator you can enter not only the mouse, but with an electronic digital pc keyboard. Why do we get 8 when attempting to estimate 2+2x2 with a calculator ? Calculator works mathematical operations in accordance with the buy they are entered. You will see the existing q calculations in an inferior screen that is under the main show of the calculator. Calculations get because of this given case is the next: 2+2=4, subtotal - 4. Then 4x2=8, the answer is 8. The ancestor of the present day calculator is Abacus, this means "board" in Latin. Abacus was a grooved board with movable counting labels. Presumably, the initial Abacus seemed in historical Babylon about 3 thousand decades BC. In Historical Greece, abacus appeared in the fifth c...