CAMI Trigonometry Version History

Trigonometry
Version Date (dd/mm/yyyy) Enhancement / Revision / Correction
2.8.0 27/06/2006 1. Added missing right-angle symbols in exercises 11 and 12
2. Made cosmetic changes to the help window of exercise 72
3. Revised the values used for 45 degree angles in exercise 36 and 72
4. Improved the user interface appearance of exercises 12, 25, 41, 42, 52D and 54C
5. Added automated marking to exercise 11
6. Fixed problem in exercise 56 where text is cut off
7. Added feature to disable marking comments
8. Fixed the "blank screen" issue when Alt+Tab is pressed
2.7.2 25/01/2006 1. Aligned fraction lines in exercise 75
2. Fixed overflow error in exercise 11
3. Added password protection to the database
2.7.0 29/07/2005 1. Fixed memory leak in FloodFill procedure
2.6.5 17/05/2005 1. Added support for widescreen laptops
2.6.3 30/05/2005 1. Trig 27 used only the first numbers presented in each successive sum.
2. Fixed a bug that caused the test mode to display different sums and normal mode to behave in a generally chaotic behavior.
3. Trig 72 did not display sums correctly in Test mode.
4. Trig 72 also occasionally hinted sums were wrong when they were not.
5. Trig 17B occasionally generated undefined answers for cosec, cot and sec.
6. Trig 19B, when on a certain question, displayed a 'sec' in the help instead of a 'sin'.
2.6.0 17/03/2005 1. Trig 56 displayed 'Angle of reference' in the wrong font.
2. Various exercises have been updated to use a country dependent list separation symbol.
2.5.7 01/02/2005 1. Trig 88 labelled the axis 'x' whilst using a greek variable in the formula. This has been corrected.
2. Trig 86 used Pi as a variable.This not been prevented as Pi is generally used as a constant.
2.5.6 03/01/2005 1. Trig 52/D - The angle name was left out in question.
2.5.1 18/10/2004 1. All of the Trigonometry 1 modules (Introduction to trigonometry) behaved unpredictably in "Test" mode. This has been fixed.
2.4.3 12/10/2004 1. Trig 86 and 87 displayed the graph of 'cos' incorrectly when a shift value was added to the angle e.g. cos(x + 20)
2. Trig 62 sometimes displayed small numbers as larger numbers e.g. 0,072 was shown as 7,2
3. Trig 31/B gave incorrect values when calculating "sec".
2.4.1 13/09/2004 1. Trigonometry 75 gave a 'subscript out of range' error when 'backspace' or 'delete' was pressed.
2.4.0 31/08/2004 1. Trigonometry 41/B occasionally marked the correct answer incorrect. This has been corrected.
2.3.1 28/06/2004 1. The errors and the 'Shift + F1' hotkey dump are now displayed in a more user-friendly language.
2.Trigonometry 5.2 sometimes gave the incorrect sign for the ratio. This as been corrected.
2.1.0 27/04/2004 1. Trigonometry 43 asked for proof for cos squared instead of cot squared.
1.2.4 03/03/2004 1. In the test and exercise reports, sums were written up without a description. This has been corrected.
1.2.3 03/03/2004 1. Various problems in WCTrig 36 have sorted out.
1.1.0 11/12/2003 1. All the modules are now complete.
1.0.0 24/10/2003 1. Many new exercises.

Back to top of page

Back to Update page