Scientific Calculator DES-38D
Scientific & Logical Functions
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Description
The DES-38D is an easy-to-use, multi-line Scientific Calculator with intuitive, left-to-right data entry & display.
It was designed and developed by a professional engineer with a variety of features to suit the needs of engineers and mathematicians, including extensive statistical analysis & graphing capabilities. However, it is extremely simple to use and is suitable for anyone who needs an advanced calculator.
The name of the DES-38D calculator comes from the fact that it utilizes base-10 arithmetic which can represent numbers with a 38-digit mantissa and an exponent range of -128 to + 127.
The DES-38D is universal app that is fully functional in both portrait and landscape modes on all iPad and iPhone devices. No need to rotate to landscape unless you need a wider display area.
All current and future features are included for one low price. We will never nag you for more money.
KEY FEATURES:
• Supports Hex, Binary, and Octal number bases in 64-bit, 32-bit, 16-bit, or 8-bit word lengths
• Accepts data entry in Decimal, Scientific, or Fractional notation (& they can be mixed)
• Memory and Result data can be displayed in Decimal, Scientific, or Fractional notation independently of how the equation was entered
• Angle entry and computations can be performed in degrees, radians, gradians, or turns
• 10 Memory Registers
• 4 Display Lines: Equations, Result, current Memory Register, and Error/Information Messages
• All Display Lines read in normal human, left-to-right form
• The [-] key can be used for subtraction or negation as you type - no need to use the [+/-] key after the fact (although you can)
• All equations are evaluated, and the Result field is updated "on-the-fly" as you enter your formula. The [=] key merely saves the equation & result to the History/Tape file
• All Equations & Results are saved in a History/Tape file
• Equations & Results can be recalled from the History/Tape file for reuse in other equations
• Sliders to rapidly adjust Display Precision, Decimal-to-Scientific notation switching, and Decimal to Fraction notation switching
• Keys for e and π plus a table with many additional scientific and mathematical constants that can easily be included in equations
• Extensive built-in help screens
• Copy and paste with simple tap and long touch gestures
• Use swipe gestures to rapidly display all Memory Registers at once, all Constants, and the History/Tape file
• Fast and simple advanced statistics functions - simply enter a data set and instantly get over 90 statistical calculations including 8 different regressions as well as a graphic plot of the regression lines
• Up to 10 Statistics Data Sets with the ability to import CSV files and print, email, or share Data Sets and Calculation Results
-------------------------------
LIST OF MATH & LOGIC FUNCTIONS
• Add, Subtract, Multiply & Divide (of course)
• Floored and Euclidean Modulus
• Percentages - including Percentage, Add-On, Discount, and Ratio calculations
• Square, Cube, and nth roots
• Square, Cube, and nth powers
• Base-10, Base-2, Base-n, and Natural Logarithms
• 24 Trigonometric Functions
• Combinations & Permutations
• Coordinate Conversions between Polar & Rectangular
• A number of Random Number Generators to simulate coin flips, dice throws, card draws and general purpose random numbers
• Reciprocals
• Factorials & Double Factorials
• AND, NAND, OR, NOR, XOR, XNOR, NOT
• Shift and Rotate Bits
* Advanced Statistics with over 90 statistics values including the results of 8 different regressions plus graphing capability
-------------------------
We welcome your feedback. The app includes an email option to send comments or suggestions to us at [email protected]
If you enjoy our app, please rate and review us in the App Store.
Thank you for using DES-38D.
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It was designed and developed by a professional engineer with a variety of features to suit the needs of engineers and mathematicians, including extensive statistical analysis & graphing capabilities. However, it is extremely simple to use and is suitable for anyone who needs an advanced calculator.
The name of the DES-38D calculator comes from the fact that it utilizes base-10 arithmetic which can represent numbers with a 38-digit mantissa and an exponent range of -128 to + 127.
The DES-38D is universal app that is fully functional in both portrait and landscape modes on all iPad and iPhone devices. No need to rotate to landscape unless you need a wider display area.
All current and future features are included for one low price. We will never nag you for more money.
KEY FEATURES:
• Supports Hex, Binary, and Octal number bases in 64-bit, 32-bit, 16-bit, or 8-bit word lengths
• Accepts data entry in Decimal, Scientific, or Fractional notation (& they can be mixed)
• Memory and Result data can be displayed in Decimal, Scientific, or Fractional notation independently of how the equation was entered
• Angle entry and computations can be performed in degrees, radians, gradians, or turns
• 10 Memory Registers
• 4 Display Lines: Equations, Result, current Memory Register, and Error/Information Messages
• All Display Lines read in normal human, left-to-right form
• The [-] key can be used for subtraction or negation as you type - no need to use the [+/-] key after the fact (although you can)
• All equations are evaluated, and the Result field is updated "on-the-fly" as you enter your formula. The [=] key merely saves the equation & result to the History/Tape file
• All Equations & Results are saved in a History/Tape file
• Equations & Results can be recalled from the History/Tape file for reuse in other equations
• Sliders to rapidly adjust Display Precision, Decimal-to-Scientific notation switching, and Decimal to Fraction notation switching
• Keys for e and π plus a table with many additional scientific and mathematical constants that can easily be included in equations
• Extensive built-in help screens
• Copy and paste with simple tap and long touch gestures
• Use swipe gestures to rapidly display all Memory Registers at once, all Constants, and the History/Tape file
• Fast and simple advanced statistics functions - simply enter a data set and instantly get over 90 statistical calculations including 8 different regressions as well as a graphic plot of the regression lines
• Up to 10 Statistics Data Sets with the ability to import CSV files and print, email, or share Data Sets and Calculation Results
-------------------------------
LIST OF MATH & LOGIC FUNCTIONS
• Add, Subtract, Multiply & Divide (of course)
• Floored and Euclidean Modulus
• Percentages - including Percentage, Add-On, Discount, and Ratio calculations
• Square, Cube, and nth roots
• Square, Cube, and nth powers
• Base-10, Base-2, Base-n, and Natural Logarithms
• 24 Trigonometric Functions
• Combinations & Permutations
• Coordinate Conversions between Polar & Rectangular
• A number of Random Number Generators to simulate coin flips, dice throws, card draws and general purpose random numbers
• Reciprocals
• Factorials & Double Factorials
• AND, NAND, OR, NOR, XOR, XNOR, NOT
• Shift and Rotate Bits
* Advanced Statistics with over 90 statistics values including the results of 8 different regressions plus graphing capability
-------------------------
We welcome your feedback. The app includes an email option to send comments or suggestions to us at [email protected]
If you enjoy our app, please rate and review us in the App Store.
Thank you for using DES-38D.
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App Info
- Category
- Utilities
- Publisher
- Dohmann Engineering Services
- Languages
- English
- Recent version
- 1.09 (1 year ago )
- Released on
- May 27, 2018 (6 years ago )
- Also available in
- United States, United Kingdom, Pakistan, Japan, South Korea, Kuwait, Kazakhstan, Lebanon, Mexico, Malaysia, Nigeria, Netherlands, Norway, New Zealand, Peru, Philippines, Italy, Poland, Portugal, Romania, Russia, Saudi Arabia, Sweden, Singapore, Thailand, Turkey, Taiwan, Ukraine, Vietnam, South Africa, Denmark, Austria, Australia, Azerbaijan, Belgium, Brazil, Belarus, Canada, Switzerland, Chile, China, Colombia, Czechia, Germany, United Arab Emirates, Dominican Republic, Algeria, Ecuador, Egypt, Spain, Finland, France, Greece, Hong Kong, Indonesia, Ireland, Israel, India
- Last updated
- 1 month ago