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271 lines
14 KiB
271 lines
14 KiB
Version 0.9.3 (2011.06.04):
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* added: German translation made by
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Moritz Beleites <morbel at gmx.net>
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* added: on display tab: an option how many digits should be grouped
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* changed: the way how buttons on display tab work
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suppose we have "123+34+56" in the first edit, then select
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(by mouse or a keyboard) "123+34" similar as you would like
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to copy them to the clipboard, then press a button let we say
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"sin" - the result is: "sin(123+34)+56"
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* updated: Chinese translation
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* fixed: ttcalc didn't correctly delete variables/functions from its config file
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so when you restarted the program you still had the deleted variables/functions
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* fixed: option: "parameters separated by" was not correctly read from the config file
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Version 0.9.2 (2010.09.24):
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* added: Italian translation made by
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Damiano Monaco <dmonax at gmail.com>
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* added: menu: edit->swap (ctrl+W)
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swapping the input for the output edit
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Changes from TTMath 0.9.2 relating to TTCalc:
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* fixed: Big::Add() sometimes incorrectly rounded the last bit from its mantissa
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* fixed: Big::ToString method
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in some cases when in the output string the exponent should be equal zero
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the method changes the exponent to one so the last digit from the mantissa
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was lost
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Version 0.9.1 (2010.02.07):
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* fixed: the pad window didn't take into account following options (from display tab):
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grouping, input commas and parameter separators
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* updated: Chinese translation
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Changes from TTMath 0.9.1 relating to TTCalc:
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* fixed: the parser didn't use characters for changing the base (# and &)
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those characters were skipped
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(this bug was introduced in 0.9.0)
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* fixed: added in the parser: operator's associativity
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operator ^ (powering) is right-associative:
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sample: 2^3^4 is equal 2^(3^4) and it is: 2.41e+24
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previously was: 2^3^4 = (2^3)^4 = 4096
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* changed: in Big::ToString() the base rounding is made only if the result value
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would not be an integer, e.g. if the value is 1.999999999999 then
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the base rounding will not be done - because as the result would be 2
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* added: IEEE 754 half-to-even rounding (bankers' rounding) to the following
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floating point algorithms: Big::Add, Big::Sub, Big::Mul, Big::Div
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Version 0.9.0 (2009.11.25):
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* fixed: when 'C' button was pressed, the cursor was not placed in the edit window
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* added: Pad window - a multiline edit window
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* added: Checking for update dialog box
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also the program can check automatically for an update at startup
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* added: there are some new buttons on the standard tab
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- (...) - the whole expression is surrounded by brackets (ctrl+0 short cut)
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- 1/(...)
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- ;
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- % - a new percentage operator
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- floor/ceil/min/max/sqrt/root/gamma
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* added: some new options on display tab:
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- grouping
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- input decimal point
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- parameters separated by
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* changed: precision:
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Medium - 512 bits mantissa, 64 bits exponent
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Big - 1024 bits mantissa, 128 bits exponent
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Changes from TTMath 0.9.0 relating to TTCalc:
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* added: operator percentage
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e.g. 1000-50% = 1000-(1000*0,5) = 500
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* added: function frac(x) - returns a value without the integer part
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(only fraction remains)
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* changed: algorithms in sqrt(x) and root(x ; n)
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they were not too much accurate for some integers
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e.g. Root(16;4) returned a value very closed to 2 but not exactly 2
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* changed: added specializations to Big::ToString() when the base is equal 4, 8 or 16
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the previous version was not accurate on some last digits (after the comma operator)
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consider this binary value (32 bit mantissa):
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base 2: 1.1111 1111 1111 1111 1111 1111 1110 101
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previous ToString() gave:
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base 4: 1.33333333333332
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base 8: 1.777777777
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base 16: 1.FFFFFF
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now we have:
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base 4: 1.3333333333333222
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base 8: 1.77777777724
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base 16: 1.FFFFFFEA
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Version 0.8.7 prerelease (2009.09.16):
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* added: new language: Swedish
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translation made by: Lars 'Bafvert' Gafvert <lars.gafvert at gmail dot com>
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* changed: version of the TTMath library: 0.9.0 prerelease now
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Changes from TTMath 0.9.0 prerelease relating to TTCalc:
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* added: gamma() function
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* changed: factorial() function is very fast now
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Version 0.8.6 (2009.06.30):
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* added: new language: Russian
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translation made by: Vladimir Gladilovich <vdgladilovich at gmail dot com>
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Version 0.8.5 (2009.06.18):
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* added: new language: Chinese
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translation made by: Juis <zsyfly at gmail dot com>
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* changed: version of the TTMath library: 0.8.5 now
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Changes from TTMath 0.8.5 relating to TTCalc:
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* fixed: Big::Mod(x) didn't correctly return a carry
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and the result was sometimes very big (even greater than x)
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* changed: factorial() function is much faster now
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Version 0.8.4 (2009.05.08):
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* added: new language: Danish
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translation made by: Rune Bisgaard Vammen <runebisgaard at gmail dot com>
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Version 0.8.3 (2009.04.06):
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* fixed: calculating the size of the main window
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now it looks good on MS Vista and when a user changes size of some
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widgets such as a border, font size, etc.
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* changed: variables and functions are case-sensitive now, e.g.
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'x' is not the same as 'X'
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* changed: precision:
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small - the same as previous
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medium - 288 bits for the mantissa, 64 bits for the exponent
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big - 864 bits for the mantissa, 128 bits for the exponent
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previous were:
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medium - 192 bits for the mantissa, 64 bits for the exponent
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big - 288 bits for the mantissa, 96 bits for the exponent
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* changed: new version of TTMath bignum library: 0.8.3
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* added: when a user presses CTRL+C then the result will be
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copied into the clipboard (if the current control which
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has a focus is not an edit control, or if it is an edit
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but has no selection)
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* added: when a user presses CTRL+V then the text from the clipboard
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will be copied into the edit control
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(the focus can be anywhere but it cannot be on another edit control)
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* added: 'decimal point' option on the display tab
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* added: variables and functions can have underline characters
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in their names
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* added: 'remove trailing zeroes' option on 'display' tab
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* added: new language: Spanish
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translation made by Alejandro S. Valdezate
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alesanval at gmail dot com
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* added: on display tab: we can select 'deg' 'rad' or 'grad' for calculating
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in such functions: sin,cos,tan,cot,asin,acos,atan,acot
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* added: when the program exits new variables and functions are read from
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the configuration file and then the file is saved
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(if you have inserted some variables or functions in a different
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instance of TTCalc those variables or functions were previously
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skipped)
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* removed: 'cut off last non valid digits' on 'rounding' option
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on 'display' tab
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Changes from TTMath 0.8.3 relating to TTCalc:
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* fixed: Big::Add incorrectly rounded 'this' when both exponents were equal
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it caused that sometimes when adding a zero the result has changed
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this had impact among other things on FromString() method
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"0,8" had different binary representation from "0,80"
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* fixed: Big::Pow(const Big<exp, man> & pow)
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it's using PowInt() only when pow.exponent is in range (-man*TTMATH_BITS_PER_UINT; 0]
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previously the powering 'hung' on an input like this: "(1+ 1e-10000) ^ 10e100000000"
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(there was 10e100000000 iterations in PowInt())
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* fixed: in function DegToRad(const ValueType & x, ErrorCode * err = 0) it is better
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to make division first and then mutliplication -- the result is more
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accurate especially when x is: 90,180,270 or 360
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* fixed: the parser didn't correctly treat operators for changing the base
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(radix) -- operators '#' and '&', e.g.:
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'#sin(1)' was equal '0' -- there was a zero from '#' and then
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it was multiplied by 'sin(1)'
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the parser didn't check whether Big::FromString() has actually
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read a proper value -- the method Big::FromString() didn't have
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something to report such a situation
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* fixed: Big::FromString() when the base is 10, the method reads the scientific
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part only if such a part it correctly supplied, e.g:
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'1234e10', '1234e+10', '1234e-5'
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previous '1234e' was treated as: '1234e0' (now parsing stops on 'e' and
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the 'e' can be parsed by other parsers, e.g. the mathematical
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parser -- now in the parser would be: '1234e' = '1234 * e' = '3354,3597...' )
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* changed: in the parser: the form with operators '#' and '&' is as follows:
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[-|+][#|&]numeric_value
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previous was: [-|+][#|&][-|+]numeric_value
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* changed: the parser is allowed to recognize values which
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begin with a dot, e.g '.5' is treated as '0.5'
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* added: functions to the parser: gradtorad(grad), radtograd(rad), degtograd(deg),
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degtograd(d,m,s), gradtodeg(grad)
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* added: a short form of multiplication
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(without the '*' character) e.g. '5y'
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(it's used only if the second parameter is a variable
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or function)
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Version 0.8.2 portable (2007.07.01):
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* added: the portable version of the program TTCalc
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it uses *.ini config file from the same folder where
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is the executable file, and it's much smaller in size
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(in the portable version there's only one kind
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of precision and the program is packed with UPX -
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the Ultimate Packer for eXecutables)
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there are no other differences between version 0.8.1 and this one
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Version 0.8.1 (2007.04.17):
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* changed: on win9x the configuration file is in a folder like:
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"c:\windows\data application\ttcalc\" now
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* changed: the program uses the TTMath 0.8.1 now
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* added: from TTMath 0.8.1:
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root(x, index), bitand(x,y), bitor(x,y), bitxor(x,y)
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/band(x,y), bor(x,y), bxor(x,y)/
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asinh(x), acosh(x), atanh(x), acoth(x) /atgh(x), actgh(x)/
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* changed: from TTMath 0.8.1: calculations are much faster now
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especially the factorial() function
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* changed: from TTMath 0.8.1: the way of parsing operators
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Version 0.8.0 (2007.04.02):
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* added: the del key deletes a variable or a function now
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(if the focus is on the list)
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* added: a user can change the names of variables or functions now
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* changed: the program uses TTMath 0.8.0 now
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* added: functions: from TTMath 0.8.0:
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DegToDeg(deg, min, sec), DegToRad(deg), DegToRad(deg, min, sec),
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RadToDeg(rad), Ceil(x), Floor(x), Sqrt(x), Sinh(x), Cosh(x),
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Tanh(x) /Tgh(x)/, Coth(x) /Ctgh(x)/
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* added: help
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* changed: from TTMath 0.8.0:
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renamed: CTan() into Cot() or Ctg()
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renamed: ACTan() into ACot() or ACtg()
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Factorial() has a history log now (it can remember last
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10 calculated values)
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* fixed: the vertical size of the main window when a user uses a different
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size of the window caption (especially under the Windows XP Luna)
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* fixed: on Windows 9x: the program hung when a user clicks on a control
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on the first tab
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* fixed: when a user started navigating from the keyboard the program showed
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a wrong variable or a funtion in the edit dialog
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Version 0.7.3 (2007.03.08):
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* added: the program shows some kind of errors itself
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* added: checking whether an user has inserted a correct value of a variable
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or a function
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* fixed: navigation from the keyboard
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* changed: the esc key selects the entire input text now (in the input edit)
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* added: a test when the program is being starded which checks if the
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coordinates of the main window actually pointing at the valid area (for
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example when someone took his configuration file into a new computer and
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the new computer has a smaller screen)
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Version 0.7.2 (2007.02.28):
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* added: buttons Sgn and Mod
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* changed: the button 'err' is active when there's actually an error now
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* added: buttons: ASin, ACos, ATan, ACTan
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* fixed: the program didn't save the current language into the configuration file
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* fixed: the second thread didn't read the main window correctly and it caused
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small problems when an user was typing into the first edit control
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Version 0.7.1 (2007.02.08):
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* added: button 'err' (error) on the first tab
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* changed: the input edit can have 2048 characters now
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* added: remembering the vertical size into the config file
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* fixed: a problem with the 'tab' key
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* added: a message 'Calculating...' when an user clicks on the 'err' button
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during calculating something
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