C++ Builder 5.0x shareware Maths, Stats & Algorithms |
[ cronjob.zip ] [ 386,659 bytes ] | [ Shareware ] [ No Source ] [ D2 | D3 | D4 | D5 | D6 | D7 | D2 | C1 | C3 | C4 | C5 | C6 ] | ||
The CronJob component is the thread-based alarm implementation for Delphi/BCB which acts like cronjob utility in Unix. The component produces periodical OnAlert events by schedule specified in CRON format (actually it uses extended CRON format with new "seconds" field, to let the event to be triggered even every second). To specify the moments when the component should trigger the OnAlert event, the component uses the CRON format (all who worked in Unix must be aware about this utility, this is daemon of scheduled, periodically executed tasks). The authors of CronJob component has very liked an idea of describing the periodical events of any complexity, tiered to astronomical time, in simple text string. We have used slightly modified CRON format, added seconds field and altered the rules of describing the lists of numbers. The package includes 2 bonus components: * AccurateTimer -- thread-based timer which periodically triggers the OnTimer events by specified Interval, but unlike standard TTimer, which based on Win32API and thus loses timer messages on high application overload, this timer runs in the separate thread and accurately triggers each OnTimer event at right time. It also allows to specify the Interval with higher precision (less than 55msec, limited in Win9x) and does not dependent to the system-wide limitations.) * AwayTimer -- monitors user activity and increase its time counter when keyboard and mouse are inactive (user distracted from PC or goes away). Also it triggers special event when system is about to start the screensaver, or after some defined period of user inactivity. Added: 7-06-2004/20-12-2004 | Version: 1.2.1 | Downloads: 88/87/0
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[ eurocalc14.zip ] [ 11,056 bytes ] | [ Shareware ] [ With Source ] [ D3 | D4 | D5 | C4 | C5 ] | ||
TEuroCalc is a Euro calculating component for up to two currencies simultaneously. You can convert Euro in member state's currency and vice versa. All names, currencies and conversion rates of the member state's are implemented. Now with support for a third non-Euro currency. Added: 17-10-1999/11-10-2000 | Version: 1.4 | Downloads: 3349/3096/0
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[ exprs31_c345.zip ] [ 1,494,450 bytes ] | [ Shareware ] [ No Source ] [ C3 | C4 | C5 ] | ||
Expression parser 3.1 is a library of components, that evaluates Pascal like scripts at run time. It is not an interpretator, but is a quasi compiler, so it works fast. Features:
price: $55.00; price with source: $95.00 Added: 21-03-1999/31-07-2001 | Version: 3.1 | Downloads: 2210/1586/0
Compatible files: [ D3 | D4 | D5 | D6 ] |
[ genprog.zip ] [ 797,412 bytes ] | [ Shareware ] [ With Source ] [ D3 | D4 | D5 | D6 | C1 | C3 | C4 | C5 | K1 ] | ||
Genetic Programming component for Delphi, C++ Builder, Kylix. Free with sources for non-commercial applications. Contact me for commercial license. genetic programming Added: 27-06-2001/15-10-2001 | Version: 1.1 | Downloads: 1508/1506/1
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[ rapideval.zip ] [ 479,078 bytes ] | [ Shareware ] [ No Source ] [ D3 | D4 | D5 | C4 | C5 ] | ||
The RapidEvaluator Delphi component is a real COMPILER of the mathematical expressions (formulas), such as "SIN(0.5)+COS(x)*2". It checks the expression syntax and generates the real machine code for evaluating given formula. The code generated is optimized to use FPU in order to achieve the maximal speed of calculations: it's even up to 2 TIMES FASTER THAN DELPHI'S 32-bit code. To satisfy your personal needs you can add external user-defined variables and functions in addition to built-in ones. Use RapidEvaluator to calculate formulas that is unknown at the stage of program compilation, for example to plot and tabulate functions, to make numerical computations and so on. The equation plotting demo program (project+EXE) included. Works while IDE is running Added: 19-12-2000 | Version: 1.0 | Downloads: 955/955/0
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