As new value are entered, they are added to the list (stack). In the following table, if x and y are specified, x denotes the value on the bottom, and y denotes the value immediately above it. If just x is specified, x denotes the bottom value.
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| Drop | Removes the topmost value from the stack. |
| Swap | Exchanges the two items on the top of the stack. |
| Clear Ent | Clears the value being entered. |
| Clear All | Clears the value being entered as well as the entire stack. |
| √x | Computes the square root of x. |
| +/- | Changes the sign of x. In other words, multiplies it by -1. |
| Fix | Causes numerical values to be displayed with x digits to the right of the decimal point. |
| Float | Causes numerical values to be displayed in floating-point format. |
| Sci Not | Used to enter numbers in scientific notation. In other words, computes x * 10^y. |
| 1 / x | Computes the reciprocal of x. |
| String | Prompts the user for a string and places the string on the stack. |
| x! | Computes the factorial of x. |
| […]→ | Moves all values from an array to the stack. |
| →[…] | Moves all values on the stack into an array. |
| x→[…] | Moves the top x values on the stack into an array. |
| Store | Stores x as a named variable. |
| Retrieve | Retrieves a previously stored variable. |
| Delete | Deletes a specified variable. |
| Clear | Deletes all variables. |
| ÷ | Computes x ÷ y. |
| × | Computes x × y. |
| − | Computes x − y. |
| + | Computes x + y. |
| y^x | Computes y raised to power x. |
| % | Computes x / 100. |
| x^2 | Computes the square of x. |
| π | Computes pi. |
| Enter | Places the current value on the stack. If there is no current value, duplicates x. |
| ← | Removes the most recently entered digit or decimal point from the value in the Value Entry Area. |
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| ⌈x⌉ | Computes the ceiling of x. In other words, the smallest whole number not less than x. |
| ⌊x⌋ | Computes the floor of x. In other words, the largest whole number not greater than x. |
| →Fraction(number, iterations) | Computes an approximate fraction for x, with a precision proportional to y. For example, Find Fraction(3.14159, 100) = [3, 12, 85] since 3.14159 ≈ 3 12/85. |
| |x| | Computes the absolute value of x. |
| 10^x | Computes the inverse decimal logarithm of x. In other words, computes 10 raised to the power of x. |
| e | Computes Euler's constant. e = 2.71828... |
| e^x | Computes the inverse natural logarithm of x. |
| Fractional Part(x) | Replaces x with the fractional portion of x. |
| Integer Part(x) | Replaces x with the whole number portion of x. |
| ln(x) | Computes the natural logarithm of x. |
| log(x) | Computes the common (base 10) logarithm of x. |
| modulo(n, divisor) | Computes n modulo divisor. The modulo operation returns the integer division remainder. |
| Round(x) | Rounds x. |
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| →Bin | Converts a binary, octal, decimal, or hexadecimal number to binary. |
| →Dec | Converts a binary, octal, decimal, or hexadecimal number to decimal. |
| →Double | Converts a binary, octal, decimal, or hexadecimal number into a floating-point number. |
| →Hex | Converts a binary, octal, decimal, or hexadecimal number to hexadecimal. |
| →Oct | Converts a binary, octal, decimal, or hexadecimal number to octal. |
| + | Adds two binary, octal, decimal, or hexadecimal numbers. |
| ÷ | Divides two binary, octal, decimal, or hexadecimal numbers. |
| × | Multiplies two binary, octal, decimal, or hexadecimal numbers. |
| − | Subtracts two binary, octal, decimal, or hexadecimal numbers. |
| And(a,b) | Calculates the bitwise AND of two binary, octal, decimal, or hexadecimal numbers. |
| Complement(a) | Calculates the one's compliment of a binary, octal, decimal, or hexadecimal number. |
| Or(a,b) | Calculates the bitwise OR of two binary, octal, decimal, or hexadecimal numbers. |
| String →Bin | Converts a string to a binary (base 2) number. |
| String →Dec | Converts a string to a decimal (base 10) number. |
| String →Hex | Converts a string to a hexadecimal (base 16) number. |
| String →Oct | Converts a string to an octal (base 8) number. |
| XOr(a,b) | Calculates the bitwise Exclusive OR of two binary, octal, decimal, or hexadecimal numbers. |
for further details.
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| ACos(x) | Computes the inverse cosine of x, in degrees. |
| ACosH(x) | Computes the inverse hyperbolic cosine of x, in degrees. |
| ASin(x) | Computes the inverse sine of x, in degrees. |
| ASinH(x) | Computes the inverse hyperbolic sine of x, in degrees. |
| ATan(x) | Computes the inverse tangent of x, in degrees. |
| ATanH(x) | Computes the inverse hyperbolic tangent of x, in degrees. |
| Cos(degrees) | Computes the cosine of x, which must be a value in degrees. |
| CosH(degrees) | Computes the hyperbolic cosine of x, which must be a value in degrees. |
| Degrees → Radians | Converts x, which must be a value in degrees, into radians. |
| Radians → Degrees | Converts x, which must be a value in radians, into degrees. |
| Sin(degrees) | Computes the sine of x, which must be a value in degrees. |
| SinH(degrees) | Computes the hyperbolic sine of x, which must be a value in degrees. |
| Tan(degrees) | Computes the tangent of x, which must be a value in degrees. |
| TanH(degrees) | Computes the hyperbolic tangent of x, which must be a value in degrees. |
