The original title is "What I learned building small-business calculators as tiny web tools"

Short summary

Building simple calculators requires thoughtful UX decisions beyond just math—users need clear labeling, smart defaults, and honest limitations. Successful calculator products balance formula accuracy with explanation clarity and result comprehensiveness. Each page serves a specific user job-to-be-done, making the content strategy naturally focused on solving one narrow problem well.

• •UX and labeling matter more than formula complexity in calculator tools
• •Product decisions (defaults, examples, result wording) drive user understanding
• •Each calculator maps to a specific user job, enabling focused content strategy

Generated with AI, which can make mistakes.