# Vallor — full content > Full markdown bodies of published Vallor blog posts, glossary terms, and comparisons, rendered to plain text. ## Blog posts ### Try It Yourself: An Interactive Tour of Contract Review Math https://vallor.ai/blog/interactive-contract-review-roi-calculator Sliders, tabs, and a live ROI calculator embedded in a blog post. Move the numbers and see what changes for your legal team. This post is a working demo. Every widget below is live. Move the sliders, click the tabs, expand the panels. The math updates in real time. 1. ROI calculator (live) Drag the sliders to model your team's workload. The output updates as you move them. Lawyers on the team8 Contracts reviewed per month120 Hours per contract today4.5 Fully-loaded hourly rate ($)250 Current spend / yr $1,620,000 With Vallor (60% faster) $648,000 You save $972,000 2. CSS-only tabs (no script) These tabs use radio inputs and the :checked pseudo-class. Zero JavaScript, fully accessible, work in every browser since 2014. Review Negotiate Track First-pass review. Vallor reads incoming contracts, surfaces the clauses that differ from your playbook, and routes them to the right reviewer with the right context. p50 latency: 120ms. Negotiation support. When a counterparty pushes back, Vallor pulls the precedent from your last 100 deals and proposes a redline that fits your standard. No more reinventing the wheel on every term. Obligation tracking. Every executed contract gets parsed into structured obligations. Renewals, SLA windows, notice periods, and termination triggers land on the right owner's dashboard automatically. 3. Embedded sandbox: a clause randomizer This is a fully sandboxed