Quick Start Tutorial
1. Click 2+2+2 in the calculator until 2+2+2 is visible in the calculator display window.
2. Press the equals sign. You should have the total 6 in the calculator display. The = button isolates all calculations to calculator display.
3. Click the blue CL button in the calculator.The blue CL button clears the calculator. See the purple CL button in the lower left corner of the calculator this clears the form below the calculator.
4. Click the 2+2+2 in the calculator Now press the Tot button. Now the total form below the calculator will have this.
5. Now do the last operation 2 more times until your total form looks like this.As you can see the Total column is keeping a running
total of your entries.
6. Do feel adventurous? If you do lets move onto a more complex operation. Steady your left finger. OK we are going to attempt to edit the row # 2. Take your mouse and point the arrow to the 2 in the # column.Now click the left mouse button. My god you've done it! You have taken all the numbers out of the second row. You?re really amazing. Notice when you take out row 2 it is subtract from the total column in row 3.
7. I hated all those sixes so I like an 8 better so I?ll put in an 8.
8. You can do the same thing by typing the numbers in on the keyboard and pressing enter. Go ahead do the tutorial except this time use the keyboard. Congratulations! You have just increased your accuracy and reduced the time it takes to do a calculation by 50%. You have graduated with a calculator cum faster..
Precedence of arithmetic operators
Precedence Group Operators Rule Highest Parentheses
Operations contained within parentheses are evaluated first. If these expressions are nested, the innermost is evaluated foremost
The first is exponentiation.
All the powers and roots ect are done first.
Next Multiplication and division * / %
These operators are evaluated next. If an expression contains two or more operators, they are evaluated from left to right.
Lowest Addition and subtraction + -
These are the final operators to be evaluated in an expression. If an expression contains two or more operators, they are evaluated from left to right.