Precise and Factual English
Speak with clarity, authority, and factual rigor in English. Learn to eliminate misleading words, calibrate your claims, articulate data accurately, and avoid the common traps that undermine credibility.
Like Duolingo, but for Precise and Factual English. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
22 levels across 3 sections, about 44 minutes end to end, roughly 9 days at five minutes a day. It moves through Eliminating Credibility Traps; Presenting Data and Evidence; and Nuance, Tone, and Precision Under Pressure. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android

Key ideas in Precise and Factual English
- Sweeping intensifiers like 'literally' make factual reports sound emotional and exaggerated.
- Replacing emotional hyperbole with concrete failure metrics grounds spoken claims in reality.
- Precision in English descriptors signals careful observation rather than unverified opinion.
- Universal absolutes like 'never' or 'always' collapse upon a single counterexample.
- Calibrated frequency adverbs like 'routinely' or 'rarely' protect defensible claims.
- Professional English uses calibrated qualification to project verifiable confidence.
- Vague tail phrases like 'and stuff' signal an incomplete mental catalog of facts to listeners.
- Pausing silently is far more authoritative in spoken English than inserting placeholder slang.
- Naming the broad category directly ('shipping bottlenecks') replaces conversational filler.
- Ending a short list with 'etcetera' signals to listeners that your pool of examples is depleted.
- Limiting a list to two distinct, concrete items sounds more intentional than trailing off.
- Framing lists with 'such as' allows brevity without relying on 'and so on' as an awkward crutch.
- Terms like 'a lot of' or 'tons of' obscure the actual scale of spoken English claims.
- Quoting bounding ranges ('three to five days') provides measurable scale without claiming false certainty.
- Proportions like 'roughly 70%' transform emotional claims into defensible factual speech.
- 'Actually' signals an explicit correction or contradiction of an existing assumption in spoken English.
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Precise and Factual English the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
You are presenting an outage report. Which revision best replaces the phrase 'The rollout was a total disaster'?
Get it right to open this lesson and 21 more in the app.
How to learn Precise and Factual English, step by step
Go in order. 22 short levels across 3 sections, about 44 minutes in all, five minutes a day.
- 1
Eliminating Credibility Traps
- Purging Vague Crutches and Overstatements
- Fixing Misleading Connectors and Signposts
- 2
Presenting Data and Evidence
- Articulating Numbers and Metrics Without Distortion
- Expressing Cause, Correlation, and Attribution
- 3
Nuance, Tone, and Precision Under Pressure
- Mastering Calibrated Hedging
- Eliminating False Friends and Register Mismatches
- Structuring Spoken Arguments on the Spot
3 sections · 7 units · 22 levels. Built to play, not to enroll.
Questions about Precise and Factual English
How do I learn Precise and Factual English?
Go in order: start with Eliminating Credibility Traps, then Presenting Data and Evidence, then Nuance, Tone, and Precision Under Pressure. On Tomo that's 22 short levels, about 44 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Precise and Factual English?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Precise and Factual English is one of its free courses, and you can type any other topic to get a course of your own.
Is the Precise and Factual English course free?
Yes. Precise and Factual English is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Precise and Factual English?
22 levels across 3 sections, about 44 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Precise and Factual English?
No. It's pitched at an intermediate level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Precise and Factual English is taught in the Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Precise and Factual English today.
Download Tomo, search Precise and Factual English, and play your first lesson in under a minute.