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A calm, step-by-step guide to using the TI-Nspire CAS calculator across Analysis, Algebra, Statistics and Geometry, for upper-secondary students stuck with a 300-page manual and scattered tutorials.
FreeNo sign-upWorks offline
What to know▼
How it works
A step-by-step guide app for the TI-Nspire CAS calculator, covering key-by-key instructions across Analysis, Algebra, Statistics and Geometry.
What's different
Turns long menu paths from the 300-page manual into structured, searchable explanations, built for students rather than engineers.
Best for
Upper-secondary students handed a TI-Nspire CAS calculator who need clear instructions instead of the manual or scattered tutorials.
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100+ free offline browser tools spanning PDF, image, developer, finance and niche calculators, no ads or signup.
FreeNo sign-upWorks offline
What to know▼
How it works
100+ free offline tools spanning PDF, image, developer, finance, and niche categories, including a Zakat calculator, Pakistani electricity bill calculator, CNIC validator, cricket run rate calculator, and QR clipboard sync.
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Splits shared bills among friends and works out the fewest payments needed to settle up, entirely on-device with no account; supports 150+ currencies and 11 languages.
FreeNo sign-upWorks offline
What to know▼
How it works
Add who paid for a shared bill and it calculates who owes whom, along with the fewest payments needed to settle up.
What's different
Everything stays on-device with no account and no ads, works offline, and supports 150+ currencies and 11 languages.
Pricing
Free, no account.
Best for
Groups of friends splitting shared expenses who want a private, offline tool.
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Private, offline zakat calculator covering wealth, Ushr and Fitr with sourced rulings, bilingual English/Urdu.
Watch out · Runs entirely in the browser with no account or server.
No sign-upWorks offlineCan export my data
What to know▼
How it works
Covers wealth zakat (2.5%), Ushr on harvests, and Zakat al-Fitr with separate calculators, showing the Qur'an, hadith, and fiqh sources behind each ruling and letting you pick a madhhab position; runs offline as a PWA with bilingual English/Urdu support and CSV/print/PDF export.
Best for
Muslims calculating zakat obligations with sourced rulings.
Watch out
Runs entirely in the browser with no account or server.
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A free suite of 70+ browser-based financial calculators that run locally without signup.
FreeNo sign-upNothing to install
What to know▼
How it works
70+ browser-based financial calculators covering growth, retirement, mortgage, debt, tax, budgeting, and investing, all running locally with nothing sent to a server.
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Free everyday calculators — zakat, BMI, age, currency, Hijri date, loan/EMI, water intake, percentage and more — in English, Urdu, Arabic, Hindi, French and others with full RTL support, installable as an offline app.