V 3.3.9 06/09/2023 What’s new • Teachers can now set tests that adapt the difficulty of questions according to the performance of the student to aid progress. • Teachers can see a live view of the answers, including a new Timeline view • Ability to show animations added to questions

V 3.3.8 11/06/2023 What’s new • Restored missing example buttons and unit keyboard in landscape orientation.

V 3.3.7 08/06/2023 What’s new • Live Mode introduced. Teachers, set a test for your class, See answers and analysis in real-time. Great for using in the classroom. • Improved handling of long test lists

V 3.3.6 21/05/2023 What’s new • Support for exam board dependent values for acceleration due to gravity (g) • Corrections to required to learn list for IGCSE • Various improvements to analysis views for teachers

V 3.3.5 09/05/2023 What’s new • A fix for local name decryption not working for staff after bulk import

V 3.3.4 06/05/2023 What’s new • Fix for occasional local name decryption not working properly for staff

V 3.3.3 03/05/2023 What’s new • Improved layout of revision programmes to be more useful as the list gets longer • Added option to change values in questions from revision programmes to make repeating the same test more useful and challenging • Improved selection options for teachers making new tests

V 3.3.2 27/04/2023 What’s new • Quick Guides added for School Admins. • Extra level of encryption on devices. • Improved log-in by pin, email deliverability improved

V 3.3.1 21/04/2023 What’s new • Improvements in layout for students. • Improved question picking for teachers creating tests.

V 3.3.0 17/04/2023 What’s new • Download Revision programmes and set them up how you want to help you practice doing calculations and prepare for your exams. • This is available to students (through schools) and individuals who purchase the upgrade. • Various fixes and upgrades to performance including easier login for schools that have accounts that use Outlook.

V 3.2.0 02/02/2023 What’s new • Individuals can now upgrade to get all of the extra features that were available for schools only up until now. • Students and Individuals can now keep track of tests they have done and monitor their progress.

V 3.1.2 07/11/2022 • New: Spider Diagram Model for equations (paid version) • Smoother front page interactions and other usability improvements

V 3.1.1 27/09/2022 • Bug fixes and improvements • Added links to new Tutorial videos

New “Sign in with Microsoft/Google/Apple” for School Room. If your school uses one of these for their provider, you can login directly. No email pin required. Question bank improved to allow easily and regular additions of new questions Bug fixes and layout tweaks

31/3/22 Version 3.0.3: * Various bug and compatibility fixes * No new features

Version 3.0.2 (02/03/2022) • Fix to aid future compatibility. Version 3.0.1 (06/02/2022) • Added School Room, a way for teachers to actively support students for revision and homework. • Students click an icon to have a questions read to them.

Version 2.0.3 (29/04/20) •Fixed bug with test and quiz games endings

Version 2.0.2 (22/04/20) •Further graphic optimisation •Tweaks to how the calculator works when answering a question •Less symbol questions at lower difficulty level

Version 2.0.1 (18/04/20) •Now supports IGCSE with equation lists matching published specifications. •Graphics optimisation and usability improvements, such as zoomable views and smoother animations, make the app even more enjoyable to use. •Stand-alone Physics oriented calculator. •Support for older devices returns. Supports IOS9.3 and above

•Non-stop questions for each equation. •Smart models that "understand" the question and guide you towards the answer. •Detailed feedback on your answer, including model answers •Test yourself on equations or topics. •Use the built in scientific calculator to work out the answers.  •The initial release of this version is for IOS 13.  •IOS 12 and early support may return with a later release

Release notes Version 1.0.5 (31/3/2019) •Pick the exam board you use to get an equations list that matches the published specification, including topics and papers. •Tap on the units box to get to the new units page. It’s got all the info you need to be able to convert between related units and includes a conversion calculator. •When you get a quiz question wrong, you get a notification. Tap on the notification to get help on how to get it right next time. •Many more improvements and fixes to make it easier and faster to use. Version 1.0.4 (11/03/2019) •Longer variable names are now split over several lines with a box around them to make it more readable. •Other fixes and text edits. Version 1.0.3 (07/03/2019) •You can do a quiz on the all equations, just the ones from one topic or ones you tagged with the same emoji. •You can sort the cards based on different stats such as how accurate you are or how long you have practised it. •Various other graphical and user-interface improvements Version 1.02 (3/3/2019) •Added some more type of quiz questions including converting units. •Made it easier to change difficulty in between games and made the progression smarter. •Added more themes: a blue theme for light mode and a grey theme for dark mode. •Various bug fixes and improvements. •Added experimental option to rearrange by the “do the same to both sides” method for some equations Version 1.0.1 •Fixed some errors in equations and units. •Changed scrolling behaviour to be more controllable.

Version 1.0.4 (11/03/2019) •Longer variable names are now split over several lines with a box around them to make it more readable. •Other fixes and text edits. Version 1.0.3 (07/03/2019) •You can do a quiz on the all equations, just the ones from one topic or ones you tagged with the same emoji. •You can sort the cards based on different stats such as how accurate you are or how long you have practised it. •Various other graphical and user-interface improvements Version 1.02 (3/3/2019) •Added some more type of quiz questions including converting units. •Made it easier to change difficulty in between games and made the progression smarter. •Added more themes: a blue theme for light mode and a grey theme for dark mode. •Various bug fixes and improvements. •Added experimental option to rearrange by the “do the same to both sides” method for some equations Version 1.0.1 •Fixed some errors in equations and units. •Changed scrolling behaviour to be more controllable.

Version 1.0.3 •You can now do a quiz on the all equations, just the ones from one topic or ones you tagged with the same emoji. •You can now sort the cards based on different stats such as how accurate you are or how long you have practised it. •Various other graphical and user-interface improvements Version 1.02 •Added some more type of quiz questions including converting units. •Made it easier to change difficulty in between games and made the progression smarter. •Added more themes: a blue theme for light mode and a grey theme for dark mode. •Various bug fixes and improvements. •Added experimental option to rearrange by the “do the same to both sides” method for some equations

•Added some more type of quiz questions including converting units. •Made it easier to change difficulty in between games and made the progression smarter. •Added more themes: a blue theme for light mode and a grey theme for dark mode. •Various bug fixes and improvements. •Added experimental option to rearrange by the “do the same to both sides” method for some equations

Fixed errors in some equations and units. Made left-right scrolling more controllable