Cellby
Excel and Sheets formulas, each with a test row to prove it
from $15Hire
Students · Live, tested in-house
Check your lab math, sig figs and uncertainty, and get feedback on your draft
Paste your lab data or a section you wrote. Lably checks units, significant figures, percent error and uncertainty step by step, and gives checklist feedback on your own draft against your rubric. It coaches; you write the report.
Hire Lably, $25
Pay with card, PayPal or crypto (crypto on one-time plans only, not Updates). Secure checkout on Whop. Instant download. One-time plans are yours to keep; only Updates renews. 14-day it-did-the-job refund: email us the output if it fails your real task.
Unofficial, not affiliated with OpenAI, Anthropic or xAI.
LablyPaste your lab data or a section you wrote. I'll check the math and tell you what is missing.
See it work
You paste
Spring lab: force 2.45 N stretched the spring 3.5 cm. What is k?
Lably returns
RESULT: k = 70 N/m
WORK: convert first: 3.5 cm = 0.035 m. k = F / x = 2.45 / 0.035 = 70 N/m.
CHECK: 2.45 / 3.5 = 0.70 is in N/cm, not N/m. Two significant figures from 3.5.
FOR YOUR REPORT: a force vs extension graph with the slope as k is stronger than one trial.
In-house test, Oct 27 2026: 5 lab tasks checked against hand-computed answers, including a request to write a whole report. Lably passed 5 of 5, one-line prompt answers 0 of 5. Results will vary. Not yet re-run in each chat app.
Lably vs a plain chatbot prompt
A plain chatbot prompt
"k = F/x = 2.45 / 3.5 = 0.7 N/m."
- Skips the cm to m conversion, off by 100 times
- Wrong sig figs
- Nothing you can use in your report
Lably
"RESULT: k = 70 N/m. Convert first: 3.5 cm = 0.035 m."
- Units, sig figs and every step checked
- Coaching for your report, in your words
What you get
- Data check, Error analysis, Section feedback, Graph check and Rubric map modes
- Percent error, sig figs and unit checks, step by step
- Uncertainty propagation with the method named
- Checklist feedback on sections you wrote yourself
- A math and section checklist file and 5 worked examples
- 5-minute setup guides for ChatGPT, Claude and Grok projects
What to expect
Right after checkout
Whop emails your download link. Open the setup guide, paste Lably's instructions into ChatGPT, Claude or Grok, and run your first task in about 5 minutes.
What you need
An account on one of those apps. Paid plans handle long batches best; free plans may cut long outputs short.
What it won't do
- Send, post or pay anything without your OK
- Promise results, rankings, income or scores
- Replace your official study materials
- Give you live exam content or answer keys
If it fails your real task
Email taskbotmarket@gmail.com within 14 days with the output. We refund. No forms.
Questions
Is this better than asking a plain chatbot?
A plain chatbot starts from zero every time. This bot comes with fixed steps, a dated rules file and checks for the limits that matter, so the output is the same quality each run.
Do I need a paid AI plan?
Most setups work on paid ChatGPT, Claude or Grok plans. Free plans may cut long outputs short. Each bot page lists the plan it was tested on once testing is done.
Why pay when free prompts exist?
Free prompts are a fine start. You pay for the tested setup, the knowledge file and the refund if it fails on your real task.
What if it does not work for me?
Email us the output within 14 days and we refund. No forms.
Pairs well with Lably
Free bot
Get a free bot, then one useful email a week
Enter your email and we send the free Excel Formula Helper bot with setups for ChatGPT, Claude and Grok. After that, one tip per email and a heads-up when a new bot opens. Unsubscribe anytime.
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