Blog

Guides & Updates

Learn how to get the most out of CalNote, and stay up to date with new features.

Reusable calculations with arrow functions

CalNote v0.9.3 adds named arrow functions. Define a calculation once, call it with new values, and keep using the same arithmetic, units, currencies, dates, comparisons, and conditionals you already know.

Slash-actions: sum and average your variables in one keystroke

Type / at the start of a line to open the actions popover. /sumAbove and /avgAbove expand into a live expression of every variable above — and a right-click menu does the same for a selection.

Is an electric car actually cheaper? A 5-year cost breakdown

We walk through the real cost of owning an electric vehicle versus a petrol car, from the sticker price and incentives to annual fuel and maintenance over five years.

Comparison operators: true / false in the results column

CalNote now supports >, <, >=, <=, and == — compare numbers, units, currencies, and dates inline. The result column shows true or false, and you can store the boolean in a variable.

Sketching out the real cost of a new backyard deck

The weather is getting warmer and the daydream of a new deck is back. Here’s how to go from a rough idea to a real budget in a few simple steps.

How much should I set aside for freelance taxes?

A simple way for freelancers and self-employed people to estimate their quarterly tax payments and avoid a surprise bill in April.

Dates, durations & the now keyword

CalNote speaks dates. Invoice freelance hours, count down to a flight, work out your age in minutes, and prorate rent — all inline in the notepad.

Sharing, embedding, and cross-tab sync

CalNote now lets you share boards via link, embed them in any website, drag to reorder tabs, and keep every open tab in sync — all without an account.

v0.5.0 — Units everywhere & a smarter notepad

CalNote 0.5.0 adds distance, weight, power, speed, and time conversions. Plus a smarter notepad that treats plain text as notes, contextual autocomplete, and incompatible conversion detection.

Data units, transfer speeds & smarter autocomplete

Convert between GB, MB, TB, and bits. Calculate transfer speeds in MBps, Gbps, and more. Plus smarter autocomplete that only suggests compatible units.

Temperature conversion: Celsius, Fahrenheit & Kelvin

CalNote now supports temperature conversions. Convert between Celsius, Fahrenheit, and Kelvin inline — no separate tool needed.

How to use CalNote: a guide to the notepad calculator

Learn how to use CalNote's variables, boards, currency conversion, and keyboard shortcuts to replace your basic calculator for good.