Q: Does the CASIO KL-60 have the underscore symbol (_)?

No, the underscore (_) is not one of the available symbols on the CASIO KL-60. The label maker has 46 special symbols, but this one is not included. Available Symbols Here is the complete list of symbols you can use: Punctuation : ? ! . , / ~ ( ) + - Mathematics : × ÷ = < > $ Other Symbols : ± # & * @ ° % £ ¥ Alternatives If you need a visual separator, you can: Use the dash (-) as a visual substitute Use the border or shading function available on the device to create a graphic separation (see text effects page)

Q: How to reset the CASIO FX-991W?

To reset your CASIO FX-991W , here are the available procedures: Simple display clearing If you just want to clear the last displayed calculation: Press AC (All Clear) located at the bottom left, or C for Clear The screen returns to zero without changing your settings Complete reset To return to factory settings and clear all memory: Use the MODE button to access the configuration menus Locate the RESET option or reset Confirm the operation A complete reset restores the calculator to factory state: COMP mode enabled, units in degrees (DEG), display in NORM, and all memory cleared.

Q: How to calculate a power on the CASIO GRAPH 75?

To calculate a power of 2 (or any power) on the CASIO GRAPH 75 , use the caret (^) in RUN•MAT mode. Syntax Type: base^exponent Practical examples 2 squared (2²): type 2^2 then press EXE → Result: 4 2 to the power of 10: type 2^10 then EXE → Result: 1024 With parentheses for clarity: (2)^5 → 32 The symbol ^ is directly accessible on the keyboard. Press EXE (or ENTER) to execute the calculation.

Question 1

Does the CASIO KL-60 have the underscore symbol (_)?

Accepted Answer

No, the underscore (_) is not one of the available symbols on the CASIO KL-60. The label maker has 46 special symbols, but this one is not included.

Available Symbols

Here is the complete list of symbols you can use:

Punctuation : ? ! . , / ~ ( ) + -
Mathematics : × ÷ = < > $
Other Symbols : ± # & * @ ° % £ ¥

Alternatives

If you need a visual separator, you can:

Use the dash (-) as a visual substitute
Use the border or shading function available on the device to create a graphic separation (see text effects page)

Question 2

Is there a percentage key on the CASIO GRAPH 25 PRO calculator?

Accepted Answer

The CASIO GRAPH 25 PRO calculator does not have a dedicated percentage (%) key on its main keyboard. You need to use basic arithmetic operators to perform your percentage calculations.

To calculate a simple percentage: divide the number by 100 and then multiply by the desired percentage. For example, to calculate 20% of 150, enter 150 × 20 ÷ 100 (result: 30). You can also use the reverse order 20 ÷ 100 × 150 for the same result.

To calculate what percentage a number represents: divide that number by the total and multiply by 100. For example, if you want to know what percentage 45 represents of 200, enter 45 ÷ 200 × 100 (result: 22.5%).

% function for lists: The calculator has a specialized function accessible via [OPTN]-[LIST]-[%] that automatically calculates the percentage of each data point in a list relative to the total. This function is useful if you are working with data organized in lists.

If you frequently perform percentage calculations, you can create a program in PRGM mode to automate these operations, but manual entry of formulas remains simple and quick for one-off calculations.

Question 3

How to reset the CASIO TE-2200 cash register?

Accepted Answer

The CASIO TE-2200 offers three reset procedures depending on your needs. Before starting, turn off the device and plug it back in if you exit PGM.

Simple Clear (Flag Clear) – To quickly prepare the register:

Plug in the device
Press and hold the RECEIPT FEED key
Switch the mode switch to PGM
Release RECEIPT FEED when the screen displays FFFFFFFFFF (10 F)
Press SUBTOTAL to complete
A receipt is automatically issued at the end

Important: After clearing, Clerk 1 is automatically assigned. Do not program Clerk 1 as non-programmable or non-operable in PGM mode.

Full Machine Initialization (Machine Initialization) – For a complete reset with configuration settings:

Plug in the device
Press and hold the JOURNAL FEED key
Switch the mode switch to PGM
Release JOURNAL FEED when the screen displays 0000000000 (10 zeros)
Enter the 11-digit program code provided on your worksheet
Press SUBTOTAL to save
Wait for two beeps of confirmation
A receipt is issued with the initialization code

Check that the receipt correctly prints the machine number. Refer to your worksheet (Worksheet Initialize) for the 11-digit codes according to your settings (language, model, options).

Init 2 (Secondary Reset) – Quick initialization variant:

Plug in the device
Press and hold the RECEIPT FEED key
Switch the mode switch to PGM
Release RECEIPT FEED when the screen displays FFFFFFFFFF (10 F)
Enter 8888888888
Press CHECK TEND to complete
A receipt is automatically issued

Each procedure issues a confirmation receipt. In case of an error code on the receipt, check the hardware and repeat the operation. After any initialization, do not forget to assign the CLERK-# key (clerk secret code) if your model supports it.

Question 4

How to reset the CASIO FX-991W?

Accepted Answer

To reset your CASIO FX-991W, here are the available procedures:

Simple display clearing

If you just want to clear the last displayed calculation:

Press AC (All Clear) located at the bottom left, or C for Clear
The screen returns to zero without changing your settings

Complete reset

To return to factory settings and clear all memory:

Use the MODE button to access the configuration menus
Locate the RESET option or reset
Confirm the operation

A complete reset restores the calculator to factory state: COMP mode enabled, units in degrees (DEG), display in NORM, and all memory cleared.

Question 5

How to calculate a power on the CASIO GRAPH 75?

Accepted Answer

To calculate a power of 2 (or any power) on the CASIO GRAPH 75, use the caret (^) in RUN•MAT mode.

Syntax

Type: base^exponent

Practical examples

2 squared (2²): type 2^2 then press EXE → Result: 4
2 to the power of 10: type 2^10 then EXE → Result: 1024
With parentheses for clarity: (2)^5 → 32

The symbol ^ is directly accessible on the keyboard. Press EXE (or ENTER) to execute the calculation.

Question 6

How to calculate the quotient and remainder of a division on the CASIO GRAPH 25+

Accepted Answer

The CASIO GRAPH 25+ has two specialized functions to calculate the quotient and remainder of an integer division (Euclidean division):

Int÷ function (integer quotient): Press OPTN, then CALC, and select Int÷. Enter your calculation in the form 107 Int÷ 7 and then press EXE. The result displays 15 (the quotient).
Rmdr function (remainder): Press OPTN, then CALC, and select Rmdr. Enter your calculation in the form 107 Rmdr 7 and then press EXE. The result displays 2 (the remainder).

These two functions are used to determine the quotient and remainder when dividing one integer by another integer. In the example above, 107 divided by 7 gives a quotient of 15 and a remainder of 2, because 15 × 7 + 2 = 107.

If you prefer to use a manual method, you can also calculate:

Quotient: Int(107/7) using the integer part function (available in the same OPTN > CALC menu)
Remainder: 107 - 7 × Int(107/7) = 2

Question 7

Why doesn't the CASIO QT-6000 recognize my printer?

Accepted Answer

The PDF of this manual does not detail the specific printer configuration settings for COM or I/O. Here’s what you can check in order:

Basic diagnostic steps

Check that the printer is on and online (active 'online' light)
Is the cable properly plugged in on both ends?
Is there paper and no jam in the printer?
Restart the terminal and the printer (turn off, then turn on the printer first)

Connection type

The QT-6000 supports USB, Ethernet, and serial connectivity. Ensure that your remote printer (type SP-1300) is connected to the correct type of port and that it is compatible with it.

Configuration in the terminal

If the printer is physically correct but still not recognized, the I/O settings must be configured in programming mode (PGM) of the terminal. This type of adjustment requires access to service mode.

For complete programming steps and advanced diagnostics, refer to the dedicated programming manual for the QT-6000 or contact CASIO support.

Question 8

How to calculate the binomial cumulative distribution function (Binomial CDF) with the CASIO GRAPH 35+E II calculator?

Accepted Answer

To calculate the binomial cumulative distribution function (Binomial CDF) on your CASIO GRAPH 35+E II calculator, follow these steps:

Press the MENU key to access the main menu.
Select the STAT (Statistics) mode using the directional arrows and pressing EXE.
In the STAT menu, select the DIST (Distribution) option which contains advanced statistical functions.
Select BINM (Binomial) to access the binomial distribution functions.
Choose Bcd, which corresponds to the cumulative binomial distribution function (Binomial CDF) - this function calculates the cumulative probability.

Once in the Bcd function, you need to enter three parameters in this exact order, separated by commas:

x: the maximum value up to which you want to calculate the probability (maximum number of successes).
N: the total number of trials or attempts (sample size).
p: the probability of success for each trial, expressed as a decimal between 0 and 1.

The Bcd function calculates the cumulative probability that the number of successes is less than or equal to x. For example, if you enter the parameters 5, 10, 0.6, the calculator will display the probability of getting at most 5 successes in 10 trials with a 60 percent probability of success for each trial. Press = to get the result.

Practical example: You flip a biased coin 20 times and want to know the probability of getting at most 8 heads. Go to MENU > STAT > DIST > BINM > Bcd, then enter 8, 20, 0.5 and press =. The result will be the corresponding cumulative probability.

Important note: Do not confuse Bcd (cumulative distribution function) with Bpd (probability mass function). The Bcd function gives the probability of getting at most x successes, while Bpd gives the probability of getting exactly x successes.

Question 9

How to switch to radian mode on the CASIO GRAPH 35+ PROGRAM calculator?

Accepted Answer

To set your CASIO GRAPH 35+ PROGRAM calculator to radian mode, follow these simple steps:

Turn on the calculator by pressing the ON key.
Press the MODE key to access the settings menu.
In the menu, look for the option related to angle units. This option may be displayed as Deg (degrees) or Rad (radians).
Use the arrow keys to select Rad (radians).
Confirm your choice by pressing the EXE or ENTER key.

Your calculator is now set up to perform trigonometric calculations in radians. You can verify this setting by calculating a known trigonometric function and comparing the expected result in radians.

Question 10

How to perform prime factorization with the CASIO GRAPH 25 PRO calculator?

Accepted Answer

The CASIO GRAPH 25 PRO has a prime factorization program in its program library. This program continuously divides a natural number by successive factors (2, 3, 5, 7, etc.) until all prime factors are obtained.

How the program works:

The program accepts a natural number A as input.
It divides A by factors B successively (2, 3, 5, 7…).
If the division has no remainder, the result replaces A and the division continues with the same factor.
The process repeats the operation until B is greater than A.
The found factors are displayed until the number is completely factored.

How to use this program:

Access the PROG mode (Program) from the main menu.
Select the "Prime Factorization" program from the available library or copy it if necessary.
Run the program by pressing EXE.
Enter the natural number you wish to factor.
The program will display all the prime factors of the entered number.

Example: For the number 462, the program will display the factorization: 2 × 3 × 7 × 11. This result confirms that 462 is the product of these four prime numbers.

This program is particularly useful for analyzing numbers, simplifying fractions, or studying the properties of prime numbers in mathematics.

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