Use for function, college or particular . You can make not only simple q calculations and calculation of interest on the loan and bank lending prices, the calculation of the price of operates and utilities. Instructions for the web calculator you can enter not just the mouse, but with a digital computer keyboard. Why do we get 8 when attempting to determine 2+2x2 with a calculator ? Calculator performs mathematical operations in respect with the obtain they are entered. You will see the existing math calculations in an inferior present that is below the key exhibit of the calculator. Calculations obtain because of this given example is these: 2+2=4, subtotal - 4. Then 4x2=8, the clear answer is 8. The ancestor of the modern Fraction Calculator is Abacus, meaning "panel" in Latin. Abacus was a grooved panel with moving checking labels. Presumably, the first Abacus seemed in historical Babylon about 3 thousand years BC. In Ancient Greece, abacus seemed in the fifth century BC....