Copyright: Tuesday, April 17, 2001 04:10:34


Clears the current calculation.

Keyboard equivalent = ESC


Clears the displayed number.

Keyboard equivalent = DELETE


Deletes the last digit of the displayed number.

Keyboard equivalent = BACKSPACE


Calculates the reciprocal of the displayed number.

Keyboard equivalent = R


Clears any number stored in memory.

Keyboard equivalent = CTRL+L


Recalls the number stored in memory. The number remains in memory.

Keyboard equivalent = CTRL+R


Stores the displayed number in memory.

Keyboard equivalent = CTRL+M


Adds the displayed number to any number already in memory but does not display the sum of these numbers.

Keyboard equivalent = CTRL+P


Displays each number as you enter it, and then displays the result of your calculation.


Puts this number in the calculator display.

Keyboard equivalent = 0-9


Changes the sign of the displayed number.

Keyboard equivalent = F9


Inserts a decimal point.

To use a different character for the decimal point, click Start, point to Settings, and then click Control Panel. Double-click Regional and Language Options, and then click the Numbers tab.

Keyboard equivalent = . or ,


Divides.

Keyboard equivalent = /


Multiplies.

Keyboard equivalent = *


Subtracts.

Keyboard equivalent = -


Adds.

Keyboard equivalent = +


Calculates the square root of the displayed number.

Keyboard equivalent = @


Displays the result of multiplication as a percentage.

Enter one number, click *, enter the second number, and then click %. For example, 50 * 25% will display 12.5.

You can also perform operations with percentages. Enter one number, click the operator (+, -, *, or /), enter the second number, click %, and then click =. For example, 50 + 25%(of 50) = 62.5.

Keyboard equivalent = %


Performs any operation on the previous two numbers. To repeat the last operation, click = again.

Keyboard equivalent = ENTER


Converts the displayed number to the hexadecimal number system.

The maximum unsigned hexadecimal value is 64 bits, all set to 1.

Keyboard equivalent = F5


Converts the displayed number to 64-bit representation.

Keyboard equivalent = F12


Converts the displayed number to 32-bit representation.

Keyboard equivalent = F2


Converts the displayed number to 16-bit representation.

Keyboard equivalent = F3


Converts the displayed number to 8-bit representation.

Keyboard equivalent = F4


Converts the displayed number to the decimal number system.

Keyboard equivalent = F6


Converts the displayed number to the octal number system.

The maximum unsigned octal value is an expression of 64 bits, all set to 1.

Keyboard equivalent = F7


Converts the displayed number to the binary number system.

The maximum unsigned binary value is an expression of 64 bits, all set to 1.

Keyboard equivalent = F8


Sets trigonometric input for degrees when in decimal mode.

Keyboard equivalent = F2


Sets trigonometric input for radians when in decimal mode.

Keyboard equivalent = F3


Sets trigonometric input for grads when in decimal mode.

Keyboard equivalent = F4


Displays the value of pi (3.1415...). To display 2 * pi (6.28...), use Inv+pi. You can use pi only with the decimal number system.

Keyboard equivalent = p


Sets the inverse function for sin, cos, tan, PI, x^y, x^2, x^3, ln, log, Ave, Sum, and s.

The functions automatically turn off the inverse function after a calculation is completed.

Keyboard equivalent = i


Sets the hyperbolic function for sin, cos, and tan.

The functions automatically turn off the hyperbolic function after a calculation is completed.

Keyboard equivalent = h


Displays the Statistics Box and activates Ave, Sum, s, and Dat.

Keyboard equivalent = CTRL+S


Calculates the mean of the values displayed in the Statistics Box. To calculate the mean of the squares, use Inv+Ave.

This button is available only if you click Sta first.

Keyboard equivalent = CTRL+A


Calculates the sum of the values displayed in the Statistics Box. To calculate the sum of the squares, use Inv+Sum.

This button is available only if you click Sta first.

Keyboard equivalent = CTRL+T


Calculates standard deviation with the population parameter as n-1. To calculate standard deviation with the population parameter as n, use Inv+s.

This button is available only if you click Sta first.

Keyboard equivalent = CTRL+D


Enters the displayed number in the Statistics Box.

This button is available only if you click Sta first.

Keyboard equivalent = INS


Shows the data you have entered for the statistical calculation.


Switches to the main calculator and retains entries in the Statistics Box.


Changes the number in the Calculator display area to the number selected in the Statistics Box.


Deletes the selected number from the Statistics Box.


Deletes all numbers from the Statistics Box.


Turns scientific notation on and off. Numbers larger than 10^32 are always displayed exponentially. You can use F-E only with the decimal number system.

Keyboard equivalent = V


Converts the displayed number to degree-minute-second format (assuming that the displayed number is in degrees). To convert the displayed number to degrees (assuming that the displayed number is in degree-minute-second format), use Inv+dms. You can use dms only with the decimal number system.

Keyboard equivalent = M


Calculates the sine of the displayed number. To calculate the arc sine, use Inv+sin. To calculate the hyperbolic sine, use Hyp+sin. To calculate the arc hyperbolic sine, use Inv+Hyp+sin. You can use sin only with the decimal number system.

Keyboard equivalent = S


Calculates the cosine of the displayed number. To calculate the arc cosine, use Inv+cos. To calculate the hyperbolic cosine, use Hyp+cos. To calculate the arc hyperbolic cosine, use Inv+Hyp+cos. You can use cos only with the decimal number system.

Keyboard equivalent = O


Calculates the tangent of the displayed number. To calculate the arc tangent, use Inv+tan. To calculate the hyperbolic tangent, use Hyp+tan. To calculate the arc hyperbolic tangent, use Inv+Hyp+tan. You can use tan only with the decimal number system.

Keyboard equivalent = T


Allows entry of scientific-notation numbers. The exponent is limited to four digits. You can use only decimal digits (keys 0 through 9) in the exponent. You can use Exp only with the decimal number system.

Keyboard equivalent = X


Computes x raised to the yth power. Use this button as a binary operator. For example, to find 2 raised to the 4th power, click 2 x^y 4 =, which equals 16.

To calculate the yth root of x, use Inv+x^y.

Keyboard equivalent = Y


Cubes the displayed number. To calculate the cube root, use Inv+x^3.

Keyboard equivalent = #


Squares the displayed number. To calculate the square root, use Inv+x^2.

Keyboard equivalent = @


Calculates natural (base e) logarithm. To calculate e raised to the xth power, where x is the current number, use Inv+ln.

Keyboard equivalent = N


Calculates the common (base 10) logarithm. To calculate 10 raised to the xth power, use Inv+log.

Keyboard equivalent = L


Calculates the factorial of the displayed number.

Keyboard equivalent = !


Starts a new level of parentheses. The current number of levels appears in the box above the ) button. The maximum number of levels is 25.

Keyboard equivalent = (


Closes the current level of parentheses.

Keyboard equivalent = )


Displays the modulus, or remainder, of x/y. Use this button as a binary operator.

For example, to find the modulus of 5 divided by 3, click 5 MOD 3 =, which equals 2.

Keyboard equivalent = %


Calculates bitwise OR.

Logical operators will truncate the decimal portion of a number before performing any bitwise operation.

Keyboard equivalent = |


Shifts left. To shift right, use Inv+Lsh. After clicking this button, you must specify (in binary) how many positions to the left or to the right you want to shift the number in the display area, and then click =.

Logical operators will truncate the decimal portion of a number before performing any bitwise operation.

Keyboard equivalent = <


Calculates bitwise AND.

Logical operators will truncate the decimal portion of a number before performing any bitwise operation.

Keyboard equivalent = &


Calculates bitwise exclusive OR.

Logical operators will truncate the decimal portion of a number before performing any bitwise operation.

Keyboard equivalent = ^


Calculates bitwise inverse.

Logical operators will truncate the decimal portion of a number before performing any bitwise operation.

Keyboard equivalent = ~


Displays the integer portion of a decimal value. To display the fractional portion of a decimal value, use Inv+Int.

Keyboard equivalent = ;


Enters the selected letter in the value.

This button is available only if hexadecimal mode is turned on.

Keyboard equivalent = A-F


Displays an M whenever a number is stored in memory.


Shows the number of opening (left) parentheses without corresponding closing (right) parentheses.

For example, if you type 1 * (4 +(7^3) / (2 + 8, this button shows (=2, which means that you have two left parentheses with no corresponding right parentheses.


Displays the number of items saved in the Statistics Box.


The way in which numbers are displayed. The four number systems from which you can choose are decimal (base 10), hexadecimal (base 16), octal (base 8), and binary (base 2).


In mathematics and in programming and computer applications, a symbol or other character indicating an operation that acts on one or more elements. You can use the following four operators in standard calculations:

/	divide

*	multiply

-	subtract

+	add


For the hexadecimal, octal, and binary number systems, the four display sizes available are Qword (64-bit representation), Dword (32-bit representation), Word (16-bit representation), and Byte (8-bit representation). For the decimal number system, the three display sizes available are Degrees, Radians, and Grads.


In the decimal number system, the three display sizes are Degrees, Radians, and Grads.

In the hexadecimal, octal, and binary number systems, the four display sizes are Qword (64-bit representation), Dword (32-bit representation), Word (16-bit representation), and Byte (8-bit representation).