FROM CLASSROOM TO FAMILY
Attendance recorded. An absence followed up. A parent informed. Tools to connect the details of the school day.
Inside the platformApplication online / sign-in requiredIdeas,
made real.
We build independent products to organise, understand and communicate. Step inside. Take a closer look.
Discover what we buildORIGINAL FLOW / MANSOUR TECHNOLOGIESDifferent ideas. A shared momentum.
WHAT WE BUILD
Don’t take
our word for it.
A school day brought into focus. A concept that clicks. A message finding its way. Here is the work, up close.
02 / Understand
Understand
The moment
it makes sense.
More than the answer. A way to get there. Try an excerpt of the public exercise, one clue at a time.
Explore the learning experienceAn excerpt of Understand’s public exercise, presented here. Your progress is not saved.
What does this approach?
0? Careful: numerator and denominator both approach zero. That is an indeterminate form.
01A first hint
Set u = arctan t. Then t = tan u. As t approaches 0, what happens to u?
02Change your point of view
The fraction arctan t / t becomes u / tan u. You may recognise the limit of tan u / u.
03Follow the reasoning
arctan is continuous at 0 and arctan 0 = 0, so u approaches 0 with t. For t ≠ 0, arctan t / t = u / tan u.
Since tan u / u approaches 1, its reciprocal u / tan u also approaches 1. By composition:
limt → 0 arctan t / t = 1
One clue, then another. The answer comes with the reasoning.
Explore Understand03 / Connect
Connecfy
Some code.
A queue.
A message.
An API, an Android gateway, a SIM card. Explore the infrastructure between a request and a send.
Behind the messageOpen a stage to explore the mechanism. This diagram connects to no device.
01Your application
POST /api/v1/sms/send/An HTTPS request submits an SMS to the API.
02The Connecfy queue
queuedThe API validates the request and queues the message. Accepted does not mean sent.
03The Android gateway
poll → sendingThe paired phone polls the queue and picks up the work. It is not woken by a push notification.
04The SIM card
sent / failedThe phone sends through its SIM and the mobile network, then reports the result to Connecfy.
What if the phone is offline?
Without a gateway poll, the message waits in the queue. The API alone cannot guarantee delivery: phone availability, network coverage and the SIM plan matter too.
The documented model polls periodically, roughly every 20 seconds. A “sent” status is not proof of receipt.
THE CONNECTING THREAD
Independent products.
A shared attention to detail.
Mansour Technologies is a home for ideas worth making real. Rooted in Morocco, we build software around practical needs.