Espresso de The Economist

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Published by: The Economist

Description

The APE Calculator helps to easily evaluate often needed equations in ultrafast and nonlinear laser optics. This includes Sum Frequency Generation (SFM, SFG), Difference Frequency Generation (DFG), the wavelength relations in an optical parametric oscillator or amplifier (OPO, OPA) as well as in coherent anti-Stokes Raman scattering (CARS) or SRS spectroscopy.
The conversion between wavelength, wavenumber, photon energy and frequency as well as different characterizations of pulses can be calculated, e.g. bandwidth, time bandwidth product, pulse duration or dispersion.
Conversion of peak and average powers, pulse energy and pulse energy density, repetition rate and beam diameter as well as power densities is possible.
Feedback as well as feature requests are appreciated.
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In-Apps

Espresso monthly subscription
€12.99
Espresso annual subscription
€129.00

Screenshots

Espresso de The Economist FAQ

  • Is Espresso de The Economist free?

    Yes, Espresso de The Economist is free to download, however it contains in-app purchases or subscription offerings.

  • Is Espresso de The Economist legit?

    ✅ The Espresso de The Economist app appears to be high-quality and legitimate. Users are very satisfied.

    Thanks for the vote

  • How much does Espresso de The Economist cost?

    Espresso de The Economist has several in-app purchases/subscriptions, the average in-app price is €71.00.

  • What is Espresso de The Economist revenue?

    To get estimated revenue of Espresso de The Economist app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.

User Rating

4.8 out of 5

1,143 ratings in France

5 star
952
4 star
169
3 star
15
2 star
4
1 star
3
Ratings History

Espresso de The Economist Reviews

Useful but annoying interface

realpurelife on

France

Useful daily key news tidbits put in context. Every single day I am annoyed that the text size is reset between sessions. This is a major user interface problem (virtually all apps do better).

Rapide, propre et efficace

Neomystia on

France

Super moyen de s’informer en quelques minutes sur l’actualité internationale. Les informations sont concises, mais précises et aucun fait majeur de l’actualité mondiale n’est laissé de côté. Les analyses sont réfléchies, tout en restant accessibles et rapides à lire. Je suis très satisfaite du service apporté.

Always relevant !!

RFnl016 on

France

Short snippets of information, up to date, relevant and global reach !

Great learning app

memolyrtille on

France

I’m learning english and Espresso app is perfect to do that with it text and audio articles. Thanks the quality of informations it’s a pleasure to understand economics and politics issues through a other eye than frenches newspapers. Simon

Bug

jambafactadelle on

France

To log in on the iPad, the only way is to try and read an article and then click the login button on the following screen.

Excellent

Suavem on

France

Yep. Yup. Yes. Simply excellent.

Espresso - an excellent shot in the morning

Bidossoa on

France

Highlights with the right doses on world events. A fast read. Highly recommended. Where is the page with world exchanges and currencies?

No more free articles?

ric_anto on

France

Since the last update, it seems you stopped offering 1 free article per day. That’s too bad… If we’re interested but not by everything, it’s 13€/month or nothing! I would be willing to pay something, but clearly not that much considering my very limited usage.

Good job, editors and devs

trspasser on

France

Great content and a well-done app. The negative rating is to protest at the ads

Enjoying the Economist’s Expresso

Crabroo on

France

Diverse and quick reads, some without big news, some surprising, others giving food for thought, and driving me to dive deeper into a topic.

Store Rankings

Ranking History
Category Rankings
Chart
Category
Rank
Top Grossing
9
Top Grossing
9
Top Grossing
12
Top Grossing
13
Top Grossing
15

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