CalcBox_-1:This is a Reverse Polish calculator from Circle Software
CalcBox_55:Selects radian mode for all trig function input|Mand all angle result display
CalcBox_50:Selects exponential display mode
CalcBox_30:Select: Compute the natural sine of X|MAdjust: Compute the angle who's sine is X
CalcBox_23:Select: Compute X to the power of Y|MAdjust: Compute Y to the power of X
CalcBox_37:Select: Stores X in one of 10 registers|MAdjust: Fetches the value stored in one of 10 registers|MThis key must be followed by a digit 0 - 9 to indicate the store number
CalcBox_32:Select: Clears the displayed X value|MAdjust: Clears the whole stack
CalcBox_42:Select: Reset the calculator, clearing all registers|MAdjust: Clears the 10 storage registers only
CalcBox_43:Swaps the X and Y values on the stack.
CalcBox_45:Select: Computes X as H.mmss where mm = minutes and ss = seconds|MAdjust: Performes the inverse function|MTip: May be used for converting map references etc, for input to trig functions
CalcBox_44:Select: Computes polar coordinates from X & Y cartesian (rectangular) values|MAdjust: Computes cartesian coordinates from X and Y° polar values
CalcBox_46:Select: Compute possible combinations of Y items taken X at a time|MAdjust: Compute possible permutations of Y objects taken X at a time
CalcBox_38:Select: Rotates the stack downwards|MAdjust: Rotates the stack upwards
CalcBox_33:Select: Compute X percent of Y|MAdjust: Compute X as a percentage of Y
CalcBox_21:Compute the factorial of X
CalcBox_26:Enter constant value 'pi'
CalcBox_41:Select: Compute the hypobolic tangent of X|MAdjust: Compute the inverse hypobolic tangent of X
CalcBox_40:Select: Compute the natural tangent of X|MAdjust: Compute the angle who's tangent is X
CalcBox_39:Select: Compute the log of X to the base 'e'|MAdjust: Compute the anti-log of X
CalcBox_34:Select: Compute the log of X to the base ten|MAdjust: Compute the anti-log of X
CalcBox_36:Select: Compute the hypobolic cosine of X|MAdjust: Compute the inverse hypobolic cosine of X
CalcBox_35:Select: Compute the natural cosine of X|MAdjust: Compute the angle who's cosine is X
CalcBox_31:Select: Compute the hypobolic sine of X|MAdjust: Compute the inverse hypobolic sine of X
CalcBox_28:Select: Compute the integer value of X|MAdjust: Compute the fractional part of X
CalcBox_20:Click this button to push the X value up the stack|MUse Select to enter another value.|MUse Adjust to duplicate the X value.
CalcBox_53:Selects fixed point display mode|MThe display will revert to exponential mode if the value cannot be represented
CalcBox_54:Selects degree mode for all trig function input|Mand all angle result display
CalcBox_52:Selects engineering display mode|MThis restricts the exponent to multiples of 3
CalcBox_51:Selects hexadecimal display mode|MThis can only display positive values up to FFFFFFFF
CalcBox_22:Compute the reciprocal of X
CalcBox_29:Compute the absolute value of X|Mi.e. Ensure X is positive
CalcBox_24:Select: Compute the square of X|MAdjust: Compute the square root of X
CalcBox_17:Add X to Y
CalcBox_47:Shows the number of displayed decimal places|M Use arrow icons to adjust
CalcBox_48:Selects the number of displayed decimal places|MThis has no effect on the stored value|MNote that accuracy is limited to about 15 significant figures
CalcBox_49:Selects the number of displayed decimal places|MThis has no effect on the stored value|MNote that accuracy is limited to about 15 significant figures
CalcBox_27:Changes the sign of X
CalcBox_25:Enter constant value 'e'
CalcBox_19:Divide X into Y
CalcBox_18:Multiply X by Y
CalcBox_16:Subtract X form Y
CalcBox_15:Use this key to enter an exponent value.
CalcBox_14:Use this to enter a decimal point.
CalcBox_4:Number keypad.
CalcBox_5:Number keypad.
CalcBox_6:Number keypad.
CalcBox_7:Number keypad.
CalcBox_8:Number keypad.
CalcBox_9:Number keypad.
CalcBox_10:Number keypad.
CalcBox_11:Number keypad.
CalcBox_12:Number keypad.
CalcBox_13:Number keypad.
CalcBox_0:This displays the top stack value|MValues pushed up from here will be lost
CalcBox_1:This displays the 3rd stack item, showing intermediate results, etc.
CalcBox_2:This displays the Y value to be used in binary calculations
CalcBox_3:This displays the X value to be used in calculations
