Changelog for libqalculate23-5.2.0-2.4.x86_64.rpm :

* Tue Jul 30 2024 pgajdosAATTsuse.com- version update to 5.2.0
* Physical constants updated with CODATA 2022 values
* New function: allroots()
* New units: therm, thermie, IUNS calorie, rpm
* Additional names/symbols for turn unit
* Use symbol \"cal\" for thermochemical (instead of international table) calorie
* Change title and names/symbols of weak mixing angle (prepend \"sin2\" to theta variants)
* Return exact negative integers in log10()
* More conservative handling of infinity in equations
* Remove n from equation solution if possible using assumptions of x
* Fix input of scientific E-notation using lowercase e in numbers using concise interval notation, in expressions
* Fix \"bit width\" and \"signed integer\" arguments in setbits()
* Fix a^(f(x))=a^(b
*g(x)) where b=2 or b=3
* Fix auto/dual approximation with \"where\" expression
* Fix \"where\" expressions with multiple inequality statements for a single variable, e.g. \"where x>0 and x<10\"
* Fix crash when a variable name/symbol with more than 20 characters is used in \"where\" expression
* Fix unnecessary parenthesis, with wrong color for closing bracket, around unit with exponent in HTML output (affects qalculate-qt)
* Fix qalc not exiting after factorization in non-interactive mode
* Minor bug fixes and feature enhancements
* Mon Jul 01 2024 Christophe Marin - Update to 5.1.1. Check https://github.com/Qalculate/libqalculate/releases for older changes list. Changes since 5.0.0:
* Support for solving equations containing if() function
* Support for solving root(a, x)=b (requires rational value for ln(a)/ln(b))
* New functions: powertower() and multiples()
* New units for solar radius, mass, and luminosity
* Ask for the desired interpretation the first time percent addition is used (e.g. 100 + 10% equals 110 or 100.1)
* Use parentheses for exponent using scientific notation (with power of 10)
* Support integer factorization of integers in matrix/vector, and of numerator and denominator in rational number
* Relaxed conditions for (x^a)^b = x^(a × b) and x^a × x^b = x^(a + b) when complex numbers are deactivated (fixes segfaults)
* Fix (ax + n)^2 > 1, where n is even and a is not 1, returning false
* Fix setbits() function
* Fix Number::equals(0, ..., true) when number is infinite (affects replace() function)
* Add two\'s complement input and binary bits to preferences, and preserve these settings when leaving programming keypad (GTK, Qt)
* Download button in dialog shown when new version is available, on Windows (GTK, Qt)
* Fix AltGr (primarily for input of operators) on Windows (GTK, Qt)
* Option to show parsed expression in result field (GTK)
* Portuguese (Portugal) translation (GTK)
* Fix updating of self-contained GNU/Linux binaries from GUI (GTK)
* Improved history list efficiency (Qt)
* Hide expression tooltip (after 300 ms) when input resumes, if delayed expression status is enabled (Qt)
* Minor bug fixes and feature enhancements
* Wed Feb 14 2024 Petr Gajdos - update to v4.9.0:
* Support for specifying a fixed denominator for display of fractions (e.g. \"0.3 ft ➞ 1/8 ≈ (3 + 5/8) in\")
* Return gcd of numerators divided by lcm of denominators in gcd() with non-integer rational numbers, and vice versa for lcm()
* Add units for mean Gregorian and tropical years
* Ignore underscore in number
* Replace defunct exchange rates source and fix bitcoin exchange rate
* Fix asin(x)=a, acos(x)=a, and atan(x)=a, when a contains an angle unit and default angle unit is set
* Fix output of value converted to unit expression with numerical multiplier in denominator, e.g. \"➞ L/(100 km)\"
* Fix segfault when trying to solve \"(xsqrt(x)-ysqrt(y))/(sqrt(x)-sqrt(y))=x+sqrt(x
*y)+y\"
* Fix parsing of case insensitive object name ending with Unicode character when followed by another Unicode character in expression, e.g. \"микрометр\"
* Add history command, listing expression history
* Display all exponents 0-9 using Unicode superscript characters if these are the only exponents in the expression
* Mon Oct 02 2023 pgajdosAATTsuse.com- version update to 4.8.1
* Fix besselj() and bessely()
* Fix display of matrices and vectors with complex number form other than rectangular (default)
* Fix conflict between decibel units (e.g. \"0dB\") and duodecimal 0d… syntax (now requires at least two digits)
* Fixes for title options in plot() function
* Add additional buttons and button menus to general keypad (Qt)
* Add option to show all functions, units, and variables in tool button menus (Qt)
* Add recently used objects to functions, units, and variables menus (Qt)
* Add option to bypass dialog for functions in menu (Qt)
* Add option, in context menu, to display text for tool buttons (Qt)
* Open functions, units, and variables tool button menus using long-press or right-click (in addition to arrow button), and add keyboard shortcuts (Qt)
* Use keypad tool button menu as context menu and show keypad type in title bar of keypad (Qt)
* Auto-update number bases above programming keypad when entering simple integers, even if calculate-as-you-type is deactivated (GTK)
* Thu Aug 24 2023 pgajdosAATTsuse.com- Version update to 4.8.0
* Concise (e.g. \"1.2345(67)\") and relative (e.g. \"5+/-2%\") notation for output and input (disabled by default for concise notation) of interval
* Optimize rest of unit expression when converting to partial (insufficient) expression (e.g. 18MA×100ns to J = 1.8 J/V)
* Round high precision intervals enclosing integers for integer arguments
* Add support for specifying position of sign bit in floating point functions
* New derived units: Debye, C·m, Daraf, F^-1, V/C, N/C, kcal, kcal/g, kJ
* Use international foot as base unit for rod
* Fix fibonacci() for non-integers and recursive use
* Fix conversion options presented for speed units (and possibly other)
* Update dialogs for editing of variables, functions, units, etc. to match the corresponding dialogs in the Qt UI (GTK)
* Show user-defined objects in a separate category in menus and dialogs (GTK)
* Add option to disable tooltips in keypad or everywhere (GTK, Qt)
* Add option to disable units and to interpret unrecognized symbols as variables (unknowns) to preferences (Qt)
* Make closing of application with Escape key optional and disabled by default (GTK, Qt)
* Hide name column in conversion list when applied to current result (Qt)
* Add temporary option to unknown variable edit dialog (GTK, Qt)
* Add Microship (PIC16/17) 24 and 32 bit floating point formats (GTK, Qt)
* Fix initial height of list and description in units window (GTK)
* Minor bug fixes and feature enhancements
* Fri Jul 21 2023 pgajdosAATTsuse.com- version update to 4.7.0
* Support for custom default angle unit, e.g. turn, arcsec, arcmin
* Append default angle unit (instead of always radians) when converting value without unit to angle unit
* More consistent addition and removal of angle unit from function arguments
* Always interpret ./, .
*, and .^ as entrywise operators if user intention is unclear
* Change order of operations to place entrywise and ordinary operators on the same precedence level
* Add function, kron(), for Kronecker product, and constants for Pauli matrices
* Add radius to planets dataset and update other properties
* Support replacement of unknown variables within variable values
* Fix besselj(0, 0)
* Fix incomplete calculation in tan() with try exact approximation
* Fix 0/0=0 equality (do not return true) and output of 2/0 (and similar)
* Fixes and improvements for newtonsolve() and secantsolve()
* Fix segfault when MathStructure is deleted after Calculator, and in destructor of calculated DynamicVariable (called from Calculator destructor)
* Do not save mode on exit if \"-defaults\" command line switch where used (CLI)
* Allow multiple actions for keyboard shortcuts (GTK, Qt)
* Add toggle precision, and min, max, or min and max decimals to available shortcut and button actions (GTK, Qt)
* Add option to exclude units for unformatted ASCII copy (GTK, Qt)
* Add optional value to copy result action, allowing expression copy and formatting selection (GTK, Qt)
* Fix copy unformatted ASCII when local digit group separator is same as selected decimal separator (GTK, Qt)
* Add option to automatically copy result (Qt)
* Always set (primary) selection clipboard contents when whole expression is selected or selection is cleared, e.g. after calculation (Qt)
* Improve support dark mode and high contrast modes, and change default style to Fusion, on Windows (Qt)
* Minor bug fixes and feature enhancements
* Thu Apr 20 2023 Paolo Stivanin - Update to 4.6.1:
* Do not automatically by default set prefix higher than kilo for meter, gram, higher than 1 (no prefix) for second and litre, or lower than 1 for byte and bit
* Do not use recently introduced SI prefixes (R, Q, r, q) automatically by default
* Do not set automatic prefix if resulting multiplier is less than 1 or greater than 1000, with some exceptions (e.g. km)
* Default prefix unit property (use for gram, and few other units, instead of hard coded value)
* Option to change symbols used for output of digits 10 and 11 in duodecimal numbers (use A and B as default digits)
* Allow the same variable left and right of the equals sign (e.g. var=var+2), in variable assignment without colon, if the variable exists and the previous value is known
* Use Unicode symbol for minus in scientific e notation
* Do not show multiplier if exactly 1, in HTML output of scientific notation
* Prefer Nm (torque) over J when the result is a vector with three components
* Add \"amp\" abbreviation to ampere unit, and \"thou\" name for 1/1000 in (mil)
* Fix unit order for Nm and Ws
* Fix conversion from ounce (interpreted as fluid ounce) to litre with prefix
* Fix automatic reactivation of global object after deletion of conflicting object
* Fix parsing of scientific e notation when the number is extremely large and exponentiation fails because of floating point overflow
* Fixes for output of scientific notation using number bases other than decimal
* Fix prefix selection in denominator when multiplier is higher than the value of the largest prefix
* Fix segfault in multisolve()
* Don\'t show anything on empty input
* Support \"help [OPTION]\" and \"help set [OPTION]\" command to display description for a single set option
* Fix division and exponentiation of scalar by matrix/vector, e.g. 4./[8 4.5]
* Improve parsing of element-wise operators with comma as decimal separator
* Fix rref() with different units for different elements
* Fix segfault with empty vector in uncertainty calculation
* Fix segfault trying to solve cbrt(x)^(1/3)-x=0
* Fix segfault in handling of vector variable with uncertainty
* Fix internal id does not exist error
* Fix erroneous simplification of sin(x)^2
*y-cos(x)sin(x)^2y
* Do not try to calculate norm() and magnitude() for matrices
* Fix some memory leaks
* Fix order of argument titles in csum() function
* Sat Jan 28 2023 Dirk Müller - update to 4.5.1:
* Fix retrieval of exchange rates from mycurrency.net and add alternative secondary exchange rates sources
* Add m/s³, m/s⁴, m/s⁵, and m/s⁶ as derived units (improves automatic unit conversion)
* Check that the output of command, in command() function, is a reasonably sane expression
* EUR has replaced HRK as currency of Croatia
* Fix MathStructure::countTotalChildren() with count_function_as_one set to false
* Fix unit tests
* Tue Dec 27 2022 Paolo Stivanin - Update to 4.5.0:
* Conversion to any type of expression (e.g. \"1000 BTC to million USD\")
* Use current status of limit implicit multiplication setting during parsing of conversion expression
* New SI prefixes (R, r, Q, q)
* New units: ounce force (ozf), rack unit (U)
* Use standard form (sorting) for polynomials
* Improve consistency of behaviour when global units are replaced
* More consistent addition of units to expression without units for unit conversion
* Improvements and fixes for arg() and atan2() functions
* Fix interpretation of Myr (megayear) and Gyr (gigayear)
* Fix milli- and centimeter of water units
* Fix genvector() with for negative step size or expression as step size/number of steps
* Fix randuniform() function
* Fix automatic/dual fraction format after conversion (e.g. \"8 to score\")
* Fix inconsistently displayed parsing of \"7d 5h\" and similar
* Minor bug fixes and feature enhancements
* Thu Nov 10 2022 Paolo Stivanin - Update to 4.4.0:
* New prime number functions: primePi(), primes(), nthprime(), nextprime(), prevprime(), and isprime()
* New functions for intervals and uncertainties: upperEndpoint(), lowerEndpoint(), midpoint(), and errorPart()
* Add meter of water and related pressure units, and more derived flow rate units
* Support for vectors and matrices in uncertainty propagation calculation
* Proper support for uncertainty propagation in total(), sum(), product(), and for() functions
* Simplify display of parsed expression (primarily for quantities with units)
* Avoid parsing of implicit multiplication as nested multiplication
* Include +/- statement in function argument without parentheses
* Return values for approximate variables in exact mode in dimension() and elements()
* Improve parsing of quotation marks as feet/inch or arcmin/arcsec (e.g. do not parse s\" as sin)
* Fix exact calculation of re((a
*i)^(n/2)) (wrong sign in some cases)
* Fix erroneous calculation in some cases with physical constants both outside and inside unit relations when interval calculation is set to interval arithmetic
* Fix segfaults in some corner cases
* Fix use of random numbers in iterative functions
* Fix writing beyond end of array during exchange rates check in some cases (results in activation of old style matrices)
* Fix automatic reactivation of deactivated global object if a function with the same name exists
* Do not convert function arguments which do not allow units (fixes \"arcsin(0.5+/-0.1) to deg\")
* Fix prefix after conversion to optimal unit when the optimal unit includes a prefix
* Fix exact calculation when function argument is an approximate vector variable (fail)
* Minor bug fixes and feature enhancements
* Fri Oct 14 2022 Stefan Brüns - Update to 4.3.0:
* Fix handling of Unicode powers for units in denominator, with adaptive parsing enabled (e.g. parse 10m/s² the same as 10m/s^2)
* Fix \"+\" ignored after \"E\" in number bases where \"E\" is a digit
* Fix scientific E notation with sign in argument when function is used without parentheses
* Fix lambertw() for values very close to zero
* Fix a × b^x + cx = d when a and c have different signs and d is non-zero
* Fix a^x × b^x = c when a and b is negative, and c is positive
* Fix segfaults in some corner cases
* Fix potential issues in handling of leap seconds (e.g. during subtraction of seconds from date)
* var=a syntax for variable assignment with calculated expression
* Replace ounce with fluid ounce during conversion to volume unit
* Solve a^x + b^x + … = c in more cases
* Improve remainder/modulus for numerators with large exponents
* Truncate number in output of parsed expression and end with ellipsis if unable to display all decimals
* Improved floating point calculation and output speed, particularly for simple expressions with very high precision
* New functions: clip(), qFormat(), qError()
* \"clear history\" command and option to clear (not save) history on exit (CLI)
* Replace selection (instead of wrap in parentheses) on operator input if selection ends with operator (GTK, Qt)
* Act as if two arguments are required when applying base-N logarithm to expression (GTK, Qt)
* When applying function to expression, exclude to/where expression and place cursor before closing parenthesis if operator is last in selection (GTK)
* Show padlock (or \"[P]\") after protected expression (Qt)
* Fix name field not working in argument edit dialog (Qt)
* Minor bug fixes and feature enhancements
* Mon May 30 2022 Matej Cepl - Update to 4.2.0: - Option to plot real and imaginary parts separately (enabled by default) - Variable spacing of x values in plot (unless step size is used) - Updated plot() function with arguments for specification of plot options (in any order after the third argument) - Polar plot style - Ask the user for the desired sinc() variant (unnormalized or normalized) - Support for binary-coded decimals (BCD) - Show names with underscore capitalized and with underscore removed (with some exceptions) - Additional information units - Units for volumetric flow rate - Tradtional numbers (e.g. dozen, score) - Show warning when log() is used with a single argument, and always show second argument of log() - Show single digit suffixes using Unicode subscript (CLI) - Make names with a single character followed by digits case-sensitive with suffix by default - Accept more than two arguments in gcd() and lcm() - Interpret a single vector argument as a list of arguments if function requires more than one argument - Fix limit of floor(), ceil(), and trunc() - Fix plotting of derivatives and integrals - Fix randpoisson() - Fix reactivation of object, after object that caused deactivation is removed- Update to 4.1.1: - Restrict use of reciprocal in unit conversion, e.g. invert in \"5m/s to s/m\" (= 0.2 s/m) but not in \"500/lb to g\" (= 1.1/g) - New mHg unit (allows use with prefixes other than milli) - Always display abbreviated unit name (symbol) with abbreviated prefix (when unit only has short name) - Minor improvements to automatic unit conversion - Fix display of (1 + f(x))/n - Save definitions on exit (only) if definitions has changed regardless of interactive mode status (qalc)- Update to 4.1: - Use non-breaking narrow space as digit separator in reasonably short numbers, and between quantity and unit - Update value of austronomical unit - Fix segfault (when compiled with -D_GLIBCXX_ASSERTIONS) with local digit grouping when separator is empty (e.g. with ignore locale) - Fix freezes and crashes with extrememly large vectors and matrices - Fix segfault (when compiled with -D_GLIBCXX_ASSERTIONS) in matrix multiplication - Minor bug fixes and feature improvements (see the ChangeLog for more details)- Update to 4.0: - New matrix syntax (column separated by space or comma, rows separated by semicolon, as in matlab) - Do not make any difference between a vector and a matrix with a single row, or between a scalar and matrix with a single element - Support input of functions, units, and variables with underscores omitted in names (e.g. µ0 = µ_0, FermiCoupling = fermi_coupling), with some exceptions - Option to disable \"simplified\" percentage calculations (e.g. interpret 100 + 20% as 100 + 0.2 instead of 100 × 120%) - Option to truncate numbers (instead of round to nearest) in result - Convert K, Hz, and 1/m to J (and derived units) using conversion factor constants (e.g. 1/(550nm) to eV ≈ 2.25 eV) - Allow use of M as 10^6 without unit - New ksi unit - New functions: divisors(), rate(), vertcat(), horzcat() - New plastic number (ρ) constant, and new \"hbar\" name for reduced Planck constant, and add second Unicode codepoint for µ-sign in constants - Allow zero (1st and/or 2nd argument) in comb() and perm(), and return zero if second argument (k) is greater than the first (n) - Calculate statistical functions (e.g. mode(), min(), max(), percentile()) separately for each column of matrix - Return the lowest value if there are multiple values with equal frequency in mode() - Parse text argument as expression if concatenate function name is found in text string, and fix concatenate returning date - New layout for output of result of matrices and equations (qalc) - Fix Unicode handling on platforms where char is not signed - Fix bitrot() - Fix segfault in multisolve() when initial order of equations is not optimal - Fix segfault with empty sqrt inside sqrt, e.g. sqrt(1+sqrt()) - Fix incompletely calculated nounit(), e.g. in unit conversion- Update to 3.22.0: - New functions: linearfit(), quadraticfit(), cubicfit(), ramlatency(), parallel() - Merged inv() and inverse() functions - Improved and extended parallel operator (|| is interpreted as parallel if units are used) - Allow nested subfunctions - Do not stop testing function argument values after first failure - Solve x^(x^(-a))=b - Improved simplification: Im(-x)=-Im(x), Re(-x)=-Re(x) - Handle units in plot data (remove and set as y-axis label) - Avoid precision loss on output of interval when saving approximate variable - Fix pearson() and spearman() - Fix display of incompletely solved equation with dual approximation in some cases - Fix genvector() when step size requires evaluation - Fix a%%-b (interpret %% as mod, not percent) - Fix asin(x)+bcos(x)=c - Minor bug fixes and feature improvements - [qacalc] Support \"--\" as end of options - [qacalc] New --defaults command line option - [qacalc] Configurable SIGINT (Ctrl+C) action (exit orderly by default) - [qacalc] Vertical space option (vspace) - [qacalc] Clear command with Ctrl+L shortcut - [qacalc] Apply same logic with separate to command, as with \"to\" at end of expression, when result contains no unit - [qacalc] Fix \"to unicode\"- Update to 3.21.0: - Ask (once) for correct interpretation of ambiguous implicit multiplication - Fix crash when using the dock menu to show the RPN dock stack for the first time - Fix link in new version dialog - Fix parenthesis highlighting when cursor is at end of expression - Fix initial value of interval display in preferences dialog - Fix saving of approximation mode - Improved simplification of radical expressions - Improved Im(), Re(), and arg() functions - Improved output of complex forms (other than the default rectangular) in exact mode - Function for drill bit size conversion - Fixes for equations with complex inverse trigonometric and hyperbolic functions with no solution - Fixes for complex x^(ax)=b
* Thu Jul 29 2021 Paolo Stivanin - Update to 3.20.1:
* Save answer to dot and temperature questions in non-interactive mode and do not show the questions in non-interactive terse mode
* Fix saving of sub functions with default values
* Add support for function creation in save() function and with associated operator (e.g. func1():=x
*y^2)
* Add operators (.\', .
*, ./, .^) and functions (replace multiply(), divide(), and pow()) for transpose and element-wise multiplication, division, and power
* Fix norm() and magnitude(), and add second argument, p, to norm() function
* New text operators: dot, cross, comb, and perm
* Add support for ^^ as XOR operator
* Fixes and improvements in multisolve() function
* Always return exact result in base() function, in exact mode
* Improve parsing of functions without parentheses
* Do not try to load data objects from global definitions dir if data set is local
* Interpret \"±\" at end of expression as \"±0\"
* Convert Celsius to Fahrenheit if no calculation was performed
* Add support for QALCULATE_USER_DIR environment variable and always check for \"user\" directory on Windows
* Output both original and factorized integer, and output abs(x) as |x|
* Improved HTML output of mathematical expressions in libqalculate
* Minor bug fixes and feature improvements
* Sat Jul 03 2021 Ferdinand Thiessen - Update to 3.19.0:
* Ask (once) for the correct interpretation of dots, when comma is decimal separator
* Improve simplification of logical expressions (boolean algebra) and add boolean assumptions for unknown variables
* Add nand and nor operators and spelled out version of logical not operator (\"not\"), and interpret bitwise operators as logical in some cases
* New functions for inverse cumulative distributions: chisqdistinv(), fdistinv(), normdistinv(), and tdistinv()
* Add inverse incomplete beta function, betaincinv(), and improve betainc()
* newtonsolve() and secantsolve() functions for solving equations using Newton\'s or secant method
* Do not return dot product when multiplication operator is used with vectors (use \".\" or dot() function instead)
* Russian and German translations
* Fix cumulative t-distribution for X < 0
* Minor bug fixes and feature improvements
* Tue Apr 06 2021 Paolo Stivanin - Update to 3.18.0:
* Improve handling of expressions with log-based units
* Improve conversion of expression with multiple units to a single unit (e.g. m/W to W)
* Output (kilo)gram instead of tonne with small prefix
* New functions for statistical distributions: probit(), betadist(), cauchydist(), chisqdist(), expinv(), fdist(), gammadist(), tdist(), wblinv(), weibulldist()
* Improve functions for statistical distribution
* Improve sexagesimal input and output, and add geodistance() for calculation of distance between two GPS coordinates
* Add command() function, which runs an external command and returns the output
* erfinv() function and support for solving equations with error functions
* Fix conversion with relative temperature units activated
* Fix gammainc() function
* Fix keyboard focus when run hidden automatically at startup
* Temperature calculation modes (absolute, relative, hybrid)
* Allow prefixes, with full name, without units (e.g. kilo = 10^3)
* Extended and improved simplified Chinese translation
* Save handle vector function argument property
* Fix never ending loop when calculating []
*[]
* Minor bug fixes and feature improvements
* Sun Jan 10 2021 Avindra Goolcharan - Update to 3.16.1:
* Fix saving of local data objects (user data was deleted)
* Fix kWh unit
* Always place units with prefixes before other units
* Improve prefixes when expression contains both units that do and units that do not use prefixes
* Add daysInMonth() function
* Thu Jan 07 2021 Avindra Goolcharan - Update to 3.16.0:
* Chain syntax (e.g. 1+2
*3=(1+2)
*3=6)
* Make all currency codes (except CUP and KGS) case insensitive
* Fixes for floating point format output
* Fix segfault on factorization in qalc
* Fix saving of local data objects
* Fix BYN exchange rate url
* Redesigned expression, status, and result widgets
* Chain mode (GUI)
* Configurable calculate-as-you-type add to history delay
* Improved completion
* Support for qalc commands in GUI (expression is interpreted as command if it begins with \'/\')
* Support for reading expressions and commands from file in GUI (as in qalc, using command line option -f/--file)
* Use arrow instead of \"to\" by default
* French GUI translation
* Minor bug fixes and feature improvements- ran spec-cleaner