Resource 01
Education
How to practise maths effectively: a guide for students and parents
Practical, research-backed habits that make maths practice stick: short sessions, retrieval, spacing, mixed problems, and a mistake log.
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Guides and product notes.
Guides, FAQs, case studies, and product notes from Jinhub Technologies.
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11 practical guides and product notes
Resource 02
Product notes
Designing EasyTough: practice, feedback and motivation in maths learning
The design decisions behind our mathematics practice platform: difficulty levels, immediate feedback, progress signals, and how we think about leaderboards.
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Engineering
Building education platforms for low-connectivity regions
Concrete techniques for learning products that stay usable on slow networks and budget phones: page budgets, offline-tolerant progress, and honest testing.
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Personal finance
Calculating your real investment returns: absolute return, CAGR and XIRR
A plain-language guide to the three return numbers you will meet most often, when each one is appropriate, and worked examples you can check yourself.
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Product notes
Designing a portfolio tracker people can trust
Why our Portfolio Management tool treats transactions as the source of truth, and how traceable summaries help people understand what changed.
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Personal finance
A 30-minute monthly money review for households
A simple, repeatable routine for checking spending, savings and investments once a month, without a complicated budget.
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Engineering
Fintech software design principles we follow
Practical engineering rules for software that handles money: correctness, idempotency, auditability, verified webhooks, and privacy by design.
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Engineering
Handling money in software: floats, paise and rounding
Why floating-point numbers break money calculations, how to store amounts safely, and how to split and round without losing a paisa.
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Guides
Preparing documents for printing: a practical checklist
How to avoid wasted prints and repeat trips: file formats, page size, margins, page ranges, double-sided settings and colour choices.
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Engineering
Privacy and security basics for small web products
A practical baseline for small teams: collect less, encrypt in transit, manage secrets, keep dependencies current, and plan for backups.
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Engineering
How we choose a tech stack for a project
A practical framework for choosing technology: start from constraints, prefer proven tools, and keep future changes cheap.
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