Download | Version | Date | Size | Features |
openPlaG4_0.tar.gz | 4.0 | 04/06/2020 | 48.0 kB | Short and long dashed lines can be chosen for the single graphs. Security added to avoid SQL injection (this program doesn't use SQL). Error in phi-function fixed. |
Download | Version | Date | Size | Features |
openPlaG3_8.tar.gz | 3.8 | 01/29/2020 | 47.7 kB | Fixed secant square (sec2) and cosecant square (cosec2), which didn't work in previous versions. |
openPlaG3_7.tar.gz | 3.7 | 11/25/2018 | 47.7 kB | Error handling fixed again to also find errors like 'x+'. Made it easier to switch on/off the computational intensive functions gamma, zeta, theta. |
openPlaG3_6.tar.gz | 3.6 | 11/11/2018 | 47.5 kB | Error handling fixed to work in PHP 7. This is not perfect, but most errors are found and displayed in the image as error. For some errors (e.g. enter 'x+'), the image won't show. |
openPlaG3_5.tar.gz | 3.5 | 06/12/2018 | 47.5 kB | Single value calculation: input values like 2*pi and pi/2 are now allowed. openPlaG.html was renamed to index.html. |
openPlaG3_4.tar.gz | 3.4 | 09/20/2017 | 47.2 kB | Arrow buttons to move the display range and buttons to zoom in and out by 2 and 10 were added. Some minor corrections. |
openPlaG3_3.tar.gz | 3.3 | 07/01/2017 | 46.8 kB | 10th anniversary version: new feature Circle at origin, new root function rt, some bug fixes and improvements. |
openPlaG3_2.tar.gz | 3.2 | 03/13/2017 | 46.4 kB | New feature: Mark points. Switched from XHTML to HTML5. Some minor changes & fixes. |
openPlaG3_1.tar.gz | 3.1 | 10/25/2011 | 46.7 kB | Replaced ereg-functions with preg-functions to run in PHP 5.3 |
openPlaG3_0.tar.gz | 3.0 | 01/08/2009 | 47.2 kB | New features: slider for the instructions frame, new score table formats, graph thickness and the functions pll, M1, M2, M3, M4, M5, D0, D02 and D03. |
Download | Version | Date | Size | Features |
openPlaG2_6.tar.gz | 2.6 | 10/03/2008 | 44.8 kB | Version changes: differential/integral functions D2, D3, S2, S3, function mo, improved gamma function, constant pi2 and some fixes. |
openPlaG2_5.tar.gz | 2.5 | 08/02/2008 | 43.7 kB | New features: self-defined colors and you can write now e.g. 2x instead of 2*x. Some trigonometric and hyperbolic terms have been changed to comply with the standard, e.g. cosec for cosecant (older terms like csc still work). |
openPlaG2_4.tar.gz | 2.4 | 07/01/2008 | 42.7 kB | First anniversary version. This has new buttons to easily change the quadrants, the new function haar and some minor bugfixes. |
openPlaG2_3.tar.gz | 2.3 | 06/04/2008 | 41.7 kB | New in this version: Hull function, which is laid above the others and the new functions adig, bsc and gbsc. |
openPlaG2_2.tar.gz | 2.2 | 03/16/2008 | 41.3 kB | New in this version: score table output, logarithmic x-axis, the new functions traj and three boolean functions. |
openPlaG2_1.tar.gz | 2.1 | 02/11/2008 | 40.1 kB | ^ now works as power operator, more display options like transparency and rotation, the new functions odd and even and some bugfixes. |
openPlaG2_0.tar.gz | 2.0 | 01/27/2008 | 37.8 kB | Redesign, several new graphical options, bugfixes and the new functions prime1, prime2, prime3, gcf, lcm, toti |
Download | Version | Date | Size | Features |
openPlaG1_05.tar.gz | 1.05 | 11/19/2007 | 29.9 kB | New functions: div, dig, dig2, lmn, lmn2, lmn3, ell2, srp |
openPlaG1_04.tar.gz | 1.04 | 10/01/2007 | 29.3 kB | The prime number function has been improved and the functions rsf, ramp2, trap, poly and mean make their first appearance. |
openPlaG1_03.tar.gz | 1.03 | 09/15/2007 | 32.1 kB | Major update with a lot of new functions, several fixes and simplified functions in the code. |
openPlaG1_02.tar.gz | 1.02 | 09/05/2007 | 24.6 kB | New in this version: functions R0, R1, exp, sqr, Hm, deg, rad, erf and the substitution Q. Minor bugfixes. |
openPlaG1_01.tar.gz | 1.01 | 07/20/2007 | 24.8 kB | New in this version: load and save graph settings. |
openPlaG.tar.gz | 1.0 | 07/01/2007 | 23.0 kB | This is the first as free software (open source) published version, but the program was already running before on my site since more than a year. |