GCSE · IGCSE · A-level
Notes written from the mark scheme, not the textbook.
From $6.99 a year, or any three subjects for $18.99.
- Only what the exam tests, and nothing else on the page
- Flashcards and exam questions included with every subject
- Cover a whole topic in one sitting, start to finish
AQA A-level Chemistry
The first four pages are free to read, then the whole course opens for a year.
38,000+
Mark-scheme phrases
highlighted in yellow, across every page
19,000+
Flashcards
in 281 decks, one per topic
2,500+
Exam questions
23,401 marks of mark scheme
1,175
Pages of notes
across 21 courses, four exam boards
What it costs
One payment, one renewal date
Any three GCSE or IGCSE subjects
You choose which 3, across any exam boards
$18.99
a year, instead of $20.97
Any four GCSE or IGCSE subjects
You choose which 4, across any exam boards
$21.99
a year, instead of $27.96
Any three A-level subjects
You choose which 3, across any exam boards
$24.99
a year, instead of $29.97
What you are paying for
38,000+ phrases the mark scheme wants, highlighted in yellow
The first ionisation energy is the energy needed to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous 1+ ions.
Drop “gaseous” and the mark is gone. Write it in yellow and it is not.
Ionisation Energy · flashcard
Define first ionisation energy
The energy needed to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous 1+ ions
19,000 cards in 281 decks, one deck per topic. The back of each card is the mark scheme wording.
And 2,500 exam questions in 368 sets, one set per topic, every question original and every one with its mark scheme under it.
What a subscription includes
Flashcards and exam questions for every topic
- Every page of the specification, not a selection
- A method for every calculation, in the order the marks are awarded
- The marks students actually lose on each topic, from the examiner reports
- Higher Tier and Extended marked, so you never revise someone else's paper
- Read on phone, tablet or laptop, up to three devices
- New chapters and corrections included, no extra charge
Who writes them
Osman Abouelgheit
Tutor and founder, Dubai
I wrote every page on this site myself, for the students I teach. If a page has an error in it, email me and I will fix it that day.
Start with the subject you are sitting
$6.99 a year at GCSE and IGCSE, $9.99 at AS and A-level. Any three subjects for $18.99.