Apps can store invisible information when a button is pressed, which
is retained even when the app is closed. Our sample app uses this
technique to enforce that a button is only pressed once per day.
This sample app allows users to edit tags, which are often used on
online marketplaces like eBay. The app demonstrates many new Calcapp
features, like action formulas, the LET function, navigation buttons
and clipboard copy buttons.
This sample app enables users to fill out checklists and file defect
reports. Checklist apps are perfect for field operations or the
factory floor, where a number of precise steps need to be carried
out. The collected data can be sent to a Slack channel.
This sample app estimates costs for licensed builders, based on a
site area size entered by a user. Both squares and square meters are
supported. Itemized costs can be shown and optionally, edited by the
user.
This sample app is a body mass index (BMI) calculator. It allows
users to select between US customary units and metric units. The
result is color-coded.
This sample app is concerned with mortgages. The user enters the
value of the mortgage, the down payment, the tenure and the annual
interest rate. The app then calculates the amount due each month.
How do you convert a simple spreadsheet calculating a commission to
an app? There's more than one way to do it and what you choose
depends on your preferences. Our new sample app demonstrates three
strategies.
Our latest sample app converts spreadsheet column data to formulas
for use with drop-down fields. This app uses regular expressions
heavily and this post explains in detail how it was built.
Our new sample app is a calculator for shared household expenses. It
enables users to define recurring expenses in one panel and fields
for those expenses are then created in another panel. This app
demonstrates formula-driven labels.
If only some users need to use a large number of fields, start off by
showing only a few and give users the ability to add or remove fields
using plus and minus buttons. We demonstrate this technique using a
sample app that calculates a grade point average (GPA).