CFA Level I · 2027 curriculum
JS Insights for CFA® Level I
All ten 2027 topics, taught through narrated slides, structured lessons, formula cards and explained questions.
iPhone, iPad, Mac, Windows and Android
JS Insights Ltd · United Kingdom
Study with purpose. Write, explain and share what you know. We build thoughtful learning apps for Apple, Windows and Android, alongside free learning resources and websites for researchers, authors and small businesses.
Latest releases ·
Seven complete lessons, eight hours of teaching. From regression to machine learning and big data.
Watch the course → Available on Windows & AndroidGet JS Ink Note from Microsoft Store or Google Play, or choose a free Website Edition.
Find your edition → Submitted to AppleJS Ink Note 0.1.3 is awaiting review for iPhone, iPad and Mac, with improved sharing and page creation.
See release progress →
Notes, voice and lesson videos
Turn your notes into a lesson worth replaying.
Write on PDFs and slides, explain your thinking aloud, and share the result as a video. For teachers preparing lessons, students revising a difficult topic, and anyone with something to explain.
Now available for Windows on Microsoft Store.
Free Website Edition 0.1.2 for Mac and Android. Windows is available through Microsoft Store; the Android store edition is available on Google Play.
Finance qualifications
From Level I foundations to Level II analysis and sustainable investing: learn through structured lessons, recorded explanations and worked practice. Explore each product for its free content and available editions.
CFA Level I · 2027 curriculum
All ten 2027 topics, taught through narrated slides, structured lessons, formula cards and explained questions.
iPhone, iPad, Mac, Windows and Android
Sustainable Investing Certificate · 2026
All eight 2026 modules, with narrated slides, formulas, notes, a full question bank and a free mock exam.
iPhone, iPad, Mac, Windows and Android
New · CFA Level II · 2027 curriculum
Work through all ten subjects with recorded explanations, worked examples and a formula library. Keep your notes beside the lesson, then put your understanding to the test.
Website Editions available now. Apple and Google Play editions are in review; the Microsoft Store edition is in preparation.

Apps
JS Ink NoteHandwritten notes and recorded explanations.
Windows · Mac · Android
JS Insights Level I
CFA Level I course and practice
Apple · Windows · Android
JS Insights Level II2027 CFA Level II teaching and practiceFree downloads: Android · Windows
CFA ESG Sustainable Prep
Sustainable Investing Certificate
Apple · Windows · Android
Life UK Prep
Life in the UK Test revision in eight languages
Apple · Windows · Android
HanziLens
Chinese character lookup
iPhone · iPad
HanziQuest
Hanzi handwriting practice
iPhone · iPad
Free courses
No account needed. Videos play from YouTube’s privacy-enhanced domain; practice runs in your browser.
CFA Level I · 2027
The full Ethics teaching course: four guided videos, a protected slide deck and 11 sample questions with worked explanations.
CFA Level II · 2027
The entire subject, free to watch: regression, time series, machine learning and big data, with worked investment examples.
Sustainable Investing Certificate
Eight video lessons on sustainable investing foundations, materiality, market participants and regulation, with module slides and sample questions.
Life in the UK Test
A 12-part English course with subtitles in eight languages, plus Mandarin, Cantonese and four further language courses. Check GOV.UK for official test information.
Services
Mobile and desktop applications built for clients, including our commissioned work on the Quantinar Q2 System. Explore the project and request access to testing.
Websites for academics, authors and independent businesses, with structure, design, build, hosting and domain setup handled together.
Email-based help with UK undergraduate, master’s and PhD applications: positioning, personal statements, research proposals and interviews. No admission or visa outcome is guaranteed.
One-to-one CFA and finance tutoring, and tailored econometrics, forecasting and R or Python training for individuals and teams.
Software testing
Help test upcoming versions of JS Ink Note and our other apps, including editions not yet released in the app stores. Contact us to request beta access and an Apple TestFlight invitation where available. Test requests for the commissioned Quantinar project are handled separately.
How we work
Each app and course starts from a specific exam, test or syllabus, so its structure, practice and language support follow the material rather than a generic template.
Questions, explanations and notes are reviewed against source material, and each resource says what it covers and where the official guidance is.
We mark what is available today and what is still in development, and agree scope, price and timing in writing before any service work begins.
Get in touch
Email us about an app, a website project, a UK application, or CFA and quantitative training. A short note on your goal and deadline is enough to start.