21 Février 2021
The Four Modes of Calculator. This came as quite a surprise to me, but it turns out that the Mac's Calculator app actually boasts four different modes that might suit you depending on your needs. Mac & Apple Devices - EveryMac.com's Ultimate Mac Lookup. Lookup Mac, iPod, iPhone, iPad, Apple Watch, Apple TV and other Apple devices by Apple Order Number, Model Number, EMC Number, Model Identifier, and Serial Number as well as Intel processor number to check its specs and other details.
Use for work, school or personal calculations. 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. Ibeesoft data recovery professional 3 6 x 4.
Commands for the online calculator you can enter not only the mouse, but with a digital computer keyboard. Detailed instructions for using the calculator, see below.
[ 0 ], [ 1 ], [ 2 ], .. [ 9 ] - standard number keys;
[ 00 ] - key input 2 zeros;
[ → ] - remove the last character on the display;
[ +/- ] - change the mathematical sign of;
[ XY ] - calculation of X to the power of Y;
[ √ ] - calculate the square root;
[ + ] - addition, [ - ] - subtraction, [ х ] - multiplication, [ ÷ ] - division;
[ % ] - calculates percentages;
[ M+ ] - stored in the memory with the sign [ + ];
[ M- ] - stored in the memory with the sign [ - ];
[ MR ] - get the contents of memory;
[ MC ] - erases the memory content;
[ AC ] - reset the calculator and reset the memory;
[ C ] - resets the calculator without resetting the memory.
Calculate the square root of 529: 529 [ √ ]. The result is equal to 23.
Raise the number 3 to a power 4: 3 [ XY ] 4 [ = ]. The result is equal to 81.
Calculation of percentage of the number of: 500 [ х ] 25 [ % ]. The result is equal to 125.
Calculating what percent is one number of another number: 25 [ ÷ ] 500 [ % ]. The result is equal to 5(%).
Adding percentage to the number: 500 [ + ] 25 [ % ]. The result is equal to 625.
Deduction percentage of the number: 500 [ - ] 25 [ % ]. The result is equal to 375.
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.
To enter [ = ] - key [Enter].
To erase the last character - [Backspace] (arrow keys).
To enter [ + ] - key [ + ] at the top or [ + ] key on the numeric keypad on the right.
To enter [ - ] - key [ - ] at the top or [ - ] key on the right.
To enter [ x ] (multiplication) - key [ * ] on the numeric keypad on the right or a combination of keys[ * ] and [ Shift ].
To enter [ ÷ ] (divide) - key [ / ] on the numeric keypad on the right or a combination of keys [ : ] and [ Shift ].
Why do we get 8 when trying to calculate 2+2x2 with a calculator?
Calculator performs mathematical operations in accordance with the order they are entered. You can see the current math calculations in a smaller display that is below the main display of the calculator.
Calculations order for this given example is the following: 2+2=4, subtotal - 4. Then 4x2=8, the answer is 8.
The ancestor of the modern calculator is Abacus, which means 'board' in Latin. Abacus was a grooved board with movable counting labels (stones or bones).
Presumably, the first Abacus appeared in ancient Babylon about 3 thousand years BC. In Ancient Greece, abacus appeared in the 5th century BC.