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À propos de l'application

Imagine... You are enjoying a lunch with friends and you suggest to perform a strange mathematical "experience".

You ask for several volunteers to think of a specific number, a birthday, the age of their best friend...

You then ask them to multiply these numbers together, without you being able to see anything, then multiply the result by a special number that you previously wrote on a piece of paper, before the demonstration begins.

Your friends give you orally the final result of these operations.

You close your eyes and after a few seconds you reveal in the right order, the secret numbers of your friends!

dnCalc will allow you to easily produce this little miracle that you can adapt according to your wishes and to he context.

Your friends or colleagues will be asking what magical mathematical operation you mentally do to "extract" their numbers. Guaranteed to impress!


• Very easy to do. A PDF document explains in details the procedure (which you can adapt).
• Nothing to memorize.
• Up to 5 people can be involved in the demonstration.
• The spectators manipulate the calculator, you do not touch anything.
• You can do this demonstration with your eyes closed.
• No need for internet connection.
• The trick is absolutely undetectable, nothing to find.
• The effect is reproducible several times in a row.

Many other cool features :

• Force any number you need.
• Compute and peek the age of your volunteer.
• Compute and peek his zodiac signs (classic or Chinese).
• Compute and peek his birth day of week.

• Build your own forcing/peeking formulas!


*** IMPORTANT ***
TV performance rights are NOT included with purchase.
All rights reserved.2019

If you have questions, do not ask them in the app's reviews, in order to preserve the secret.
Send an email to dnCalc@moult.org.

Thank you !
Alistair Crompton
Date de mise à jour
31 msi 2025

Sécurité des données

La sécurité, c'est d'abord comprendre comment les développeurs collectent et partagent vos données. Les pratiques concernant leur confidentialité et leur protection peuvent varier selon votre utilisation, votre région et votre âge. Le développeur a fourni ces informations et peut les modifier ultérieurement.
Aucune donnée partagée avec des tiers
En savoir plus sur la manière dont les développeurs déclarent le partage
Aucune donnée collectée
En savoir plus sur la manière dont les développeurs déclarent la collecte

Nouveautés

Technical update.
Added dynamic forcing module.
Various corrections.
Added dynamic mappings.
Added dynamic functions module.
Added forcing formulas module.
Added colors configuration panels.

Assistance de l'appli

À propos du développeur
Raupp Sébastien
sebastien.raupp@moult.org
14 Chem. du Pré aux Ânes 74230 Thônes France

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