Everyday calculation and AI guides
Clear, worked examples for the numbers of daily life — and tutorials, model reviews and company profiles for the world of AI.
How loan instalments are calculated, with a worked example
Most bank loans are repaid in equal monthly instalments. One formula decides the payment — and how much of it is interest.
Loans, interest, percentages, rent, cheques and gold.
How loan instalments are calculated, with a worked example
The standard formula behind equal monthly loan payments, a worked example for a 24-month loan, and how much of each payment is interest.
Simple vs. compound interest, and the rule of 72
The difference between simple and compound interest on savings, a worked example for a one-year deposit, and the rule of 72 for doubling time.
Percentages in everyday life: discounts, increases and points
How to work out discounts and increases, why two discounts don't simply add up, how to reverse a percentage, and percent versus percentage points.
Converting rent and deposit (rahn and ejareh)
How the Iranian rent-and-deposit system works, the common conversion convention between deposit and monthly rent, and a worked example.
Discounting a cheque: what a future payment is worth today
How cheque and promissory-note discounting works, the simple discount formula, a worked example for a three-month cheque, and what to watch for.
Gold prices: from the ounce to the gram and mesghal
How the world gold price in ounces becomes a price per gram of 18-karat gold and per mesghal, with a worked example, and what else a jewellery price includes.
Electricity use, paint and tiles.
Understanding your electricity use: watts and kilowatt-hours
How to turn an appliance's watts into kilowatt-hours, which appliances use the most, a worked example, and simple ways to lower the bill.
How much paint and how many tiles? Measuring a room
How to measure walls and floors, work out paint for two coats and tiles with a waste allowance, with a worked example for a 4 × 5 metre room.
The Iranian and Gregorian calendars, and Iran's time zone.
Averages, medians and weighted grades.
Step-by-step AI: prompts, images, code, audio and video, business and local models.
Prompt engineering masterclass
Practical techniques for getting better results from any large language model: clear tasks, context, examples, formats, step-by-step work and checking.
Running Llama 3 locally with Ollama
How to run an open-weight language model such as Meta's Llama 3 on your own computer with Ollama: what you need, the basic commands, and why local matters.
Getting started with Claude Code
A beginner's guide to Claude Code, Anthropic's AI coding assistant that works in the terminal: installation, first steps, and working with it safely.
Image generation: writing prompts that work
How AI image generators such as DALL-E, Midjourney, Stable Diffusion and FLUX work, how to write a good image prompt, and how to use the results responsibly.
AI coding assistants: Copilot, Cursor, Claude Code and more
What AI coding assistants do — completion, chat and agents — how GitHub Copilot, Cursor and Claude Code differ, local options, and how to use them safely.
Video and audio AI: from speech to music and moving images
What AI can do with sound and video — speech recognition, text-to-speech, music and text-to-video — the main tools, and the ethics of cloning voices.
AI for business: automating work without losing control
Where AI helps a business — drafting, summarising, support, search over documents — how to run a small pilot, keep people in the loop, and protect data.
Local AI setup: Ollama, LM Studio, llama.cpp and vLLM
Tools for running open AI models on your own hardware — Ollama, LM Studio, llama.cpp and vLLM — what each is for, quantisation, and the memory you need.
Choosing a model, and the companies shaping AI.
GPT-4o vs Claude Opus vs Gemini Ultra
How to compare large language models from OpenAI, Anthropic, Google and others for your own work: tasks, context, cost, privacy and testing.
Inside Anthropic's safety-first approach
How Anthropic approaches AI safety: Constitutional AI, its Responsible Scaling Policy and AI Safety Levels, and research into how models work inside.
The rise of Mistral AI in Europe
How the Paris start-up Mistral AI, founded in 2023, became a leading maker of open-weight language models, from Mistral 7B to Mixtral.
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