Portfolio • Sally Nicholls

Income Tax calculator (UK)

A semi-advanced income tax calculator for the UK’s 2024/25 tax year. Created as a personal project with HTML, CSS, JavaScript and Svelte.

My role

Developer
Designer

Tools

Svelte

Global News

Politicians’ expenses chart

Interactive chart

Publisher

Global News

A visual breakdown of how much BC’s elected representatives were paid and how much they spent on travel and office costs from April 1, 2022 to March 31, 2023.

The data was sourced from the Legislative Assembly of British Columbia and scraped from PDFs using R library Tabulizer. The graphic itself was designed using Figma, and built with Svelte, D3, JavaScript, HTML, and CSS. The final look and functionality of the graphic evolved following user testing.

My role

Data collection
Data wrangling
Developer
Designer

Tools

Svelte
D3
R
Tabulizer
Visual Studio Code
Figma

Low Fidelity Wireframe

Please click on the image to enlarge it:

Global News

Mortgage calculators

Calculators

Publisher

Global News

These three calculators feature in Global News’ evergreen story on inflation and its rollercoaster effect on mortgage payments. It was created using the Svelte framework and built with JavaScript, HTML, CSS and the decimal.js library for mathematical accuracy.