Answer memory

• Answers are saved in the answer memory each time you perform a calculation.
• Saved answers can be recalled by tapping the "Ans" key.

Usage example: reusing calculation results

• Tap "2", "x", "1", "0", "=".
• "2 x 10 =" is displayed in the calculation frame, and "20" is displayed in the answer frame.
• 20 is saved in the answer memory. Pressing the "Ans" key displays "Ans" at the cursor position in the calculation frame.
• Enter "÷", "4", and "=" in succession.
• "Ans ÷ 4 =" is displayed in the calculation frame, and "5" for the answer of 20 ÷ 4 is displayed in the answer frame.

Pre ansewer memory

• Each time the calculation is executed, the previous answer (=answer content) is saved in the pre-answer memory.
• Saved answers can be recalled by tapping Shift+Ans.

 

 

Pseudorandom number

Generates an integer from 0 to 9 or a pseudo-random number from 0 to 1. The number of decimal places for random numbers can be specified on the setting screen.

Example of use：

• Enter Shift+“.”, “+”, “1”, “=”.
• Random+1 appears in the calculation frame.
• "1.345" is displayed in the answer box.
• Random returns a real number between 0.000 and 1.000 with 3 decimal places. The number of digits after the decimal point can be changed from 0 to 5 on the setting screen.

 

Logical operation

Usage example 1: Calculation example of &B1010 AND &B1101 (binary 1010and1101)

• "Shift+C", "1", "0", "1", "0", "Shift+1", "Shift+c", "1", "1", "0", "1", Type '='
• "8" is displayed in the answer box. (decimal 8)
• "&h0000 0008", "&o000 000 0010", "&b 0000 0000 0000 0000 0000 0000 0000 1000" is displayed each time "D→H→O→B→" is pressed.

 

 

Scientific constant

47 scientific constants can be entered

Calculate c0 (speed of light in vacuum) = 1/√ε0 (permittivity in vacuum) x μ0 (permeability in vacuum).

Usage：

• Press "AC", "(", "√".
• Press Shift + "7" to display scientific constants in the calculation frame, so tap "Permeability in vacuum".
• Tap "×", Shift + "7", "Dielectric constant in vacuum", "→", ")", Shift + ")"
• "299792458" is displayed in the answer box.

Napier number

Enter the Napier number (lower of common logarithms). Although it is displayed as e on the screen, it is calculated internally as 2.71828 18284 59045 23536

Pi

Enter the pi (pi). Although it is displayed as π on the screen, it is calculated internally as 3.14125 92653 58979 3238.

Put in memory variable

Substitute the calculation results to memory variables (A, B, C, D, E, F, X).

Usage：

• Enter "1", ".", "5", "x", "3", "STORE", "A".
• "1.5×3→A" is displayed in the calculation frame, and "4.5" is displayed in the answer frame.
• 4.5 is stored in memory variable A.

Show memory variables

Display contents of memory variables (A,B,C,D,E,F,X) and M,Ans,PreAns

Usage：

• Tap "Shift + STORE [ReCall]".
• The contents of the memory variables are displayed in a list. The list disappears when you tap "AC".

Recurring decimal

If the number displayed as a fraction in "natural display ⇔ real number display" is a repeating decimal, display the repeating decimal

Example：

• Enter "AC", "1", "÷", "7", "=".
• "1/7" or "0.142857142857" is displayed in the answer box.
• Tap "Shift + Sci. Exp [Repeat Deci] "
• "0.'142857' " is displayed in the answer box
• Tap "Natural display ⇔ Real number display" again to display normal real numbers or natural numbers (fractions).

 

Time calculation（hexadecimal number）

Enter the hour (hr), minute (min), and second (sec) to calculate the time. Enter "0" even if the hour (hr) or minute (min) is 0.

Usage：

Calculate the time required to repeat a task that takes 1 minute and 10 seconds per process 1250 times.

• Tap 0, H:M:S, 1, H:M:S, 1, 5, H:M:S.
• Then tap "x", "1", "2", "5", "0", "=".
• When you tap "=", "1 day 0 hours 18 minutes 20 seconds" is displayed in the answer frame.
• If you tap "Natural display ⇔ Real number display", "24.305555556" will be displayed.

 

Angle calculation (hexadecimal)

Enter degrees, minutes, and seconds to perform angle calculations. Enter "0" even if degrees and minutes are 0.

Usage：

Calculate 2 degrees 15 minutes 25 seconds + 39 minutes 15 seconds.

• Tap “2”, “Shift+ °’" , “1”, “5”, “Shift+°’”””, “2”, “5”, “Shift+°’”””.
• "+", "0", "Shift+°'”””, “3”, “9”, “Shift+°'”””, “1”, “5”, “Shift+°'””” Tap.
• When you tap "=", "2°54'40"" is displayed in the answer frame.
• Tap "Natural display ⇔ Real number display" to display "2.911111111"

Switch between natural display and real number display

Natural display displays calculation results in fractions, formulas using √, hours, minutes, seconds, °”’, etc. Tap this key again to switch to real number display.

 

Unit conversion

Converts the unit of the answer displayed in the answer box to another unit.

Usage：

• Press "AC", "5", "=".
• "5" is displayed in the answer box.
• Press "Shift", "4".
• Press the "unit type", "conversion source unit", and "conversion unit" displayed in the calculation frame.
• Type of unit: volume, unit to convert from: "㎥", unit to convert to "L".
• "５㎥->5000L" is displayed in the answer box.

 

Unit conversion

Converts the units of the answer displayed in the answer box.

Usage：

• Display the answer in the answer box.
• Tap "Shift + 4 (Conv. Unit)".
• Select and tap the type of unit from length, area, volume, and so on.
• Select the base unit and tap it.
• Select and tap the conversion destination unit.
• Tap "=" to display the number converted from the unit of the answer number in the answer frame.

 

Repeated input

Enter the expression you entered repeatedly.

Usage：

Calculate the Fibonacci sequence (1, 1, 2, 3, 5, 8, 13,,,).

• Press "AC".
• Press “1” and “=”. (1 is entered in the answer memory (Ans).)
• Press “1” and “=”. 1 is entered in Ans and 1 in pre-answer memory (PreAns).
• Press “Ans”, “+”, “Shift+Ans”, “=”. 2, which is the sum of Ans(=1) and PreAns(=1), is displayed.
• Press “Shift+6” and “=”. 3 is displayed by adding Ans(=2) and PreAns(=1).
• Press “Shift+6” and “=”. 5 is displayed by adding Ans(=3) and PreAns(=3).
• Press “Shift+6” and “=”. 8 is displayed by adding Ans (=5) and PreAns (=3).
• Press “Shift+6” and “=”. 13 is displayed by adding Ans (=8) and PreAns (=5).

 

n order equation

Solve quadratic to quartic equations.

Usage：

• Tap "n-thEquation".
• Enter coefficients a,b,c,d,e to create a quartic equation. The cursor can be moved with the "→", "←", "↑", and "↓" keys.
• If the coefficient of a is 0 (but b ≠ 0), it will be a cubic equation, and if both a and b are 0 (but c ≠ 0), it will be a quadratic equation.
• When the expression is completed, tap "=".
• The answer will appear in the answer box.

n-th power function

Usage：

• Press "AC", "(", "1", "+", "2", ")", "X^n", "1", "+", "1", "=".
• (1+2)^(1+1) is displayed in the calculation frame.
• "9" is displayed in the answer box.