Standard Calculator

plus/minus sign， fractions， and footnote before printing the tape. Only the prepared tape document is printed， such as addition and division. Rosy: functions involving one number， Help and TipsColor Coding Blue: numbers。

- ， such as percent and square root. Red: clear and delete actions. Green: the result or equals action. Black: calculator and tape actions，。

and / keys enter arithmetic operations. Tape and Tape Buttons Calculations are saved on the tape. Select an earlier number or operator to edit it， not the keypad or page controls. FractionsFraction Bar / Use / between the numerator and denominator. Fraction Space ␣ Use ␣ between a whole number and its fraction. DEC / FRA DEC shows decimal results. FRA shows fraction results. You can switch modes after a calculation. Mixed / Improper Mixed-fraction mode uses compact notation such as 1 4/5 . Improper-fraction mode shows the same value as 9/5 . Examples 3 / 4 = 3/4 5 ␣ 3 / 4 = 5 3/4 1/2 with FRA selected shows 1/2 . 1/2 with DEC selected shows 0.5 . 9/5 with mixed-fraction mode 1 4/5 selected shows 1 4/5 . 1 4/5 with improper-fraction mode 9/5 selected shows 9/5 . ， description， constants。

the decimal point， and memory recall. Orange: operations involving two numbers， such as Print. Gray: formatting controls。

then use = to recalculate the tape and update the result. Clearing Buttons removes the last digit from the current entry. C clears the current entry. AC clears the calculator and tape and resets active functions. MC clears memory. Memory Buttons MR recalls the stored value into the current entry. M+ adds the current value to memory. M- subtracts the current value from memory. MC resets memory to zero. Function Buttons % applies a percentage calculation. √ calculates the square root of the current value. Printing opens a dialog where you can add a title， * ， and scientific notation. Keyboard Use the numeric keypad to enter numbers. The keyboard Enter key performs the same result action as = . Use to remove the last digit and Delete to clear the current entry. The + 。