Qalculate! Manual v3.20.0
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Qalculate! Manual v3.20.0

Hanna Knutsson

This manual describes version 3.20.0 of Qalculate!.

Instructions for the command line calculator can be found in the qalc manual page.

Copyright © 2005-2007, 2016-2021 Hanna Knutsson

Feedback

To report a bug or make a suggestion regarding the Qalculate! application or this manual create a new issue at https://github.com/Qalculate/qalculate-gtk/issues.

Table of Contents

1. Introduction
2. User Interface
Main Window
Expression Entry
Result Display
Keypad
Calculation History
Minimal Window
Menu Bar
Variable/Function/Unit Managers
Convert Number Bases Dialog
3. Expressions
Objects
Operators
Implicit Multiplication and Parsing Modes
The “to” (and “where”) operators
4. Calculator Modes
The RPN Mode
5. Propagation of Uncertainty and Interval Arithmetic
6. Variables
Variable creation/editing
Vectors and Matrices
7. Functions
Available Functions
Function creation/editing
8. Units
Currency
Conversion
Unit creation/editing
9. Plotting
A. Function List
Algebra
Calculus
Named Integrals
Combinatorics
Complex Numbers
Data Sets
Date & Time
Economics
Microeconomics
Exponents & Logarithms
Geometry
Circle
Cone
Cube
Cylinder
Parallelogram
Prism
Pyramid
Rectangle
Sphere
Square
Trapezoid
Triangle
Logical
Matrices & Vectors
Miscellaneous
Number Theory
Arithmetic
Integers
Number Bases
Polynomials
Rounding
Special Functions
Step Functions
Statistics
Descriptive Statistics
Distribution
Means
Moments
Random Numbers
Regression
Statistical Tests
Trigonometry
Utilities
B. Variable List
Basic Constants
Date & Time
Large Numbers
Physical Constants
Atomic and Nuclear Constants
Conversion factors for energy equivalents
Electromagnetic Constants
Particle Mass in MeV*c^(-2)
Particle Mass in kg
Particle Mass in u
Physico-Chemical Constants
Universal Constants
Small Numbers
Special Numbers
Temporary
Unknowns
Utilities
C. Unit List
Angle
Plane Angle
Solid Angle
Area
Currency
Electricity
Capacitance
Electric Charge
Electric Conductance
Electric Current
Electric Potential
Electric Resistance
Inductance
Energy
Action
Entropy
Power
Force
Dynamic Viscosity
Kinematic Viscosity
Pressure
Information
Length
Light
Illuminance
Luminance
Luminous Flux
Luminous Intensity
Magnetism
Magnetic Field Strength
Magnetic Flux
Magnetic Flux Density
Mass
Radioactivity
Absorbed Dose
Dose Equivalent
Exposure
Ratio
Speed
Acceleration
Substance
Catalytic Activity
Temperature
Time
Frequency
Typography
Volume
Cooking
Fuel Economy
Imperial Capacity
U.S. Capacity
D. Example expressions
Basic functions and operators
Units
Physical constants
Uncertainty and interval arithmetic
Algebra
Calculus
Matrices and vectors
Statistics
Time and date
Number bases

List of Figures

2.1. Main Window
2.2. Completion
2.3. Keypad
2.4. Programming keypad
2.5. Calculation History
2.6. Minimal Window
2.7. Variable Manager
2.8. Function Manager
2.9. Unit Manager
2.10. Convert Number Bases Dialog
4.1. RPN Mode
5.1. Variance Formula
6.1. Store Result
6.2. New Variable
6.3. Matrix/Vector Edit Dialog
6.4. Import CSV Dialog
7.1. Insert function dialog
7.2. Simplified Function Edit Dialog
7.3. Function Edit Dialog
8.1. Unit Conversion View
8.2. Unit Edit Dialog (General)
8.3. Unit Edit Dialog (Relation)
9.1. Plot Data
9.2. Plot Settings
9.3. Gnuplot

List of Tables

2.1. Right Keypad
2.2. Left Keypad
2.3. Programming Keypad
2.4. File Menu
2.5. New Menu
2.6. Edit Menu
2.7. Mode Menu
2.8. Functions Menu
2.9. Variables Menu
2.10. Units Menu
2.11. Help Menu
3.1. Operators
4.1. Supported Number Bases
B.1. Variables: Basic Constants
B.2. Variables: Date & Time
B.3. Variables: Large Numbers
B.4. Variables: Atomic and Nuclear Constants
B.5. Variables: Conversion factors for energy equivalents
B.6. Variables: Electromagnetic Constants
B.7. Variables: Particle Mass in MeV*c^(-2)
B.8. Variables: Particle Mass in kg
B.9. Variables: Particle Mass in u
B.10. Variables: Physico-Chemical Constants
B.11. Variables: Universal Constants
B.12. Variables: Small Numbers
B.13. Variables: Special Numbers
B.14. Variables: Temporary
B.15. Variables: Unknowns
B.16. Variables: Utilities
C.1. Units: Plane Angle
C.2. Units: Solid Angle
C.3. Units: Area
C.4. Units: Currency
C.5. Units: Capacitance
C.6. Units: Electric Charge
C.7. Units: Electric Conductance
C.8. Units: Electric Current
C.9. Units: Electric Potential
C.10. Units: Electric Resistance
C.11. Units: Inductance
C.12. Units: Energy
C.13. Units: Action
C.14. Units: Entropy
C.15. Units: Power
C.16. Units: Force
C.17. Units: Dynamic Viscosity
C.18. Units: Kinematic Viscosity
C.19. Units: Pressure
C.20. Units: Information
C.21. Units: Length
C.22. Units: Illuminance
C.23. Units: Luminance
C.24. Units: Luminous Flux
C.25. Units: Luminous Intensity
C.26. Units: Magnetic Field Strength
C.27. Units: Magnetic Flux
C.28. Units: Magnetic Flux Density
C.29. Units: Mass
C.30. Units: Radioactivity
C.31. Units: Absorbed Dose
C.32. Units: Dose Equivalent
C.33. Units: Exposure
C.34. Units: Ratio
C.35. Units: Speed
C.36. Units: Acceleration
C.37. Units: Substance
C.38. Units: Catalytic Activity
C.39. Units: Temperature
C.40. Units: Time
C.41. Units: Frequency
C.42. Units: Typography
C.43. Units: Volume
C.44. Units: Cooking
C.45. Units: Fuel Economy
C.46. Units: Imperial Capacity
C.47. Units: U.S. Capacity
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     Chapter 1. Introduction