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How to Get Degrees Minutes Seconds on A Casio Calculator

Reviewed by Calculator Editorial Team

Converting between degrees, minutes, and seconds is a common task in navigation, astronomy, and engineering. This guide explains how to perform these conversions on a Casio calculator, including both scientific and graphing models.

Introduction

Degrees, minutes, and seconds (DMS) are units used to measure angles. One degree is divided into 60 minutes, and one minute is divided into 60 seconds. This format is commonly used in navigation, astronomy, and surveying.

Casio calculators, particularly the FX series scientific calculators and the CG series graphing calculators, can handle DMS conversions. This guide will walk you through the process using different Casio models.

Basic Conversion

Before using a calculator, it's helpful to understand the basic conversion formulas:

Degrees to DMS

To convert decimal degrees to DMS:

  1. Take the integer part as degrees
  2. Multiply the decimal part by 60 to get minutes
  3. Take the integer part of minutes
  4. Multiply the remaining decimal by 60 to get seconds

DMS to Degrees

To convert DMS to decimal degrees:

  1. Divide seconds by 60 to get fractional minutes
  2. Add to minutes
  3. Divide by 60 to get fractional degrees
  4. Add to degrees

These formulas are implemented in the calculator below for quick reference.

Using Casio Scientific Calculator

For Casio scientific calculators like the FX-991ES PLUS:

Step-by-Step Instructions

  1. Turn on your calculator and press the "MODE" button to select the angle unit (DEG for degrees)
  2. Enter the decimal degrees value you want to convert
  3. Press the "SHIFT" button and then the "D/M" button to convert to DMS format
  4. The calculator will display the angle in degrees, minutes, and seconds

Note: Some Casio scientific calculators may require additional steps or have slightly different button layouts. Refer to your calculator's manual for specific instructions.

Example Conversion

Let's convert 45.75 degrees to DMS:

  1. Enter 45.75
  2. Press SHIFT + D/M
  3. Result: 45° 45' 0"

Using Casio Graphing Calculator

For Casio graphing calculators like the CG-50:

Step-by-Step Instructions

  1. Turn on your calculator and press the "MODE" button to select the angle unit (DEG for degrees)
  2. Enter the decimal degrees value you want to convert
  3. Press the "SHIFT" button and then the "D/M" button to convert to DMS format
  4. The calculator will display the angle in degrees, minutes, and seconds

Note: Graphing calculators may have additional features for angle conversions, but the basic process is similar to scientific calculators.

Example Conversion

Let's convert 123.456 degrees to DMS:

  1. Enter 123.456
  2. Press SHIFT + D/M
  3. Result: 123° 27' 21.6"

Troubleshooting

If you're having trouble with your Casio calculator, try these solutions:

Common Issues

  • Calculator not responding: Make sure it's turned on and try resetting it by turning it off and on again
  • Incorrect results: Double-check your angle unit setting (DEG) and verify you're using the correct conversion buttons
  • Buttons not working: Clean the buttons gently with a soft cloth and try again

If you continue to experience issues, consult your calculator's manual or contact Casio customer support for assistance.

FAQ

Can I convert DMS to decimal degrees on my Casio calculator?

Yes, most Casio calculators allow you to convert DMS to decimal degrees by entering the values and using the appropriate conversion function.

What if my Casio calculator doesn't have a D/M button?

If your calculator doesn't have a dedicated D/M button, you may need to use the basic conversion formulas manually or look for an alternative conversion method in your calculator's manual.

Can I use my Casio calculator for navigation purposes?

Yes, Casio calculators are commonly used for navigation, especially those with angle conversion capabilities. However, always verify your results with other tools for critical applications.

How accurate are the conversions on a Casio calculator?

Casio calculators provide accurate conversions for most practical purposes. However, for extremely precise measurements, consider using more specialized tools.