How to Use a Scientific Calculator
Nine buttons, five mistakes, and the habit that catches them. For anyone given a calculator as an access arrangement and never shown how to use it.
Download the guideTried. Tested. Lived.
Simple solutions to life's real challenges.
Calm, practical resources for minds that learn differently, and for the families, students and carers around them. Written by someone who has lived it.
Where would you like to start?
- Instant download
- Printable and fillable
- Adult-appropriate, never infantilising
- A real person answers
What do you need to sort today?
Pick the problem. Each one goes straight to the resource built for it.
Make a revision plan that sticksA planner for brains that don't run on neat timetables.Revision Planner, £8.99
Get GCSE maths to clickExam technique, must-know methods and a confidence tracker.Maths Survival Pack, £12.99
Get through GCSE EnglishEvery Paper 1 and Paper 2 question broken into exact steps.English Survival Pack, £17.99
Resitting in November or summerMaths and English, for the student and whoever is helping them.Resit Bundle, £19.99
Just been diagnosedRelief, grief, and meeting yourself again. You're not broken.Just Diagnosed Companion, £4.99
Running on emptyBurnout, RSD, hyperfixation, ODD: calm peer support for each.All six companions, £19.99
Build number confidence from zeroSixteen workbooks, one calm method, small visual steps.Complete Maths Series, £19.99
Help my teen without the rowsHow to help them start, and what to say when it's hard.Parent Guide, £2.99
Free downloads
No sign-up. No email needed. Just take them.
The Maths Formula Sheet
Every formula you need, with what it means in plain words and when to reach for it. Print it, fold it, stick it where the work happens.
Download the sheetGet new resources first
Join the list and we'll email you a code for 10% off anything in the shop, plus a short note when something new is added. No spam. Unsubscribe any time.
Start here
The four resources most people begin with.
Every resource here started as something someone needed, and couldn't find.
Why TrustEd exists
TrustEd began with teaching a family member returning to education, and with years of navigating schools, services and systems that weren't built for the people using them. When the right resource didn't exist, it got made. Then it got tested in real life. Then it came here.
- Written from lived experience, not from a template pack.
- Calm by design: clear steps, no clutter, no shaming.
- Made for adults and young people, never babyish.
- Easy to buy: no timers, no CAPTCHAs, card or PayPal.
Run a care service?
Governance, audit and activity-planning systems for registered managers and team leaders, built from real casework. Supplied on invoice with 30-day terms.
Can't find what you need?
Tell us the problem. If it's something people keep running into, we'll build it, and you'll hear first.
Or email info@trust-ed.org.